#CARD 405 Complete Week Discussions
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CARD 405 Week 1 DQ Latest
Self-Awareness and Career Success (graded)
Why is understanding yourself important in your career development? How can you ensure that an employer will realize that you have a clear grasp of who you are and what you have to offer?
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CARD 405 Week 7 Discussion 1, Evaluating a Job Offer
Review the “Criteria for Evaluating a Job Offer” on pages 138–139 in the textbook. What are your top two criteria out of each of the four basic areas? Why did you choose these criteria?
CARD 405 Week 7 Discussion 2, Recorded Interview Questions
Why should I hire you?
Tell me something unique about yourself.
Are you available to work overtime or on weekends?
What can you contribute to our organization?
Where do you see yourself in 5 years?
Why are you interested in working for this firm?
What are your long-term career goals?
Tell me about a time when you had a customer conflict and how you resolved it positively for the customer?
What does good customer service involve?
Tell me about a time when you showed initiative when completing a task.
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Dog Training Aylesbury | Learn the Secret
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Dog Training Aylesbury | Learn the Secret
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Car Rental Reservationist
Virtual Desk Jobs is seeking Car Rental Reservationists for our Contact Center?s Customer Service team! Our Customer Service Representatives answer general questions, research reservations and billing, troubleshoot and resolve a variety of customer concerns, and address complaints, all while providing the highest level of service for which we?re known and our customers expect! If you? Can utilize effective problem-solving techniques to resolve customer needs with confidence and empathy Value teamwork and personal honesty and integrity Can navigate across multiple computer systems and program applications Enjoy analyzing and resolving a variety of complex issues Then this may be that outstanding opportunity you?ve been searching for! Customer service is our way of life! Our goal is to exceed our customer?s expectations and that starts with YOU! One customer, one call; one delivered promise at a time. We work hard and reward hard work! In addition to $12.85/hour, you will have the opportunity to earn bonuses based on both individual and team performance. Top performing individuals earn an additional $600/month, while top performing teams can earn up to an additional $2 more per hour, for every hour worked, during each month! Schedule Requirements: To best serve the needs of our customers, our Customer Service team is available until 10:00 pm CST offering full-time schedules with start times between 11 am ? 1:30 pm. Schedules include working weekends and do not change week-to-week. Once a schedule is assigned it is not negotiable upon completion of training. Responsibilities Handle multiple tasks, such as, talking with and listening to customers while accessing, reading, and inputting information into numerous applications Handle incoming calls, efficiently resolving a variety of customer service inquiries Utilize problem-solving skills to efficiently answer customer requests Maintain, at a minimum, target levels of productivity and performance Locate and interpret complex information from a number of databases Maintain a courteous and pleasant demeanor while speaking with external and internal customers Adapt to the need of individual callers Accept repetitive work tasks while providing excellent service to customers Provide timely and accurate information reflecting a customer-oriented image for the company Seek to improve job performance through self-assessment, skill development, training and goal setting Maintain a regular and reliable level of attendance and punctuality Perform miscellaneous job-related duties as assigned Qualifications Minimum 2 years of customer service experience focused on resolving customer concerns and handling difficult conversations Experience in a performance-based or metric-driven environment Call center experience preferred Experience handling help desk or escalated situations requiring problem resolution preferred Work-related experience working on a personal computer (PC), navigating through multiple computer systems and screens Permanent residence with a defined working space that is clean and quiet Ability to participate and complete mandatory training for 6 weeks, M-F, 9-5:30pm CST Ability to complete I-9 work authorization paperwork in person Must be willing to work a full-time schedule (40 hours/week), with start times between 11am-1pm (Central Time Zone), including both weekends days (Saturday & Sunday) Must be willing to accept a starting pay of $12.85/hour Must be authorized to work in the United States and not require work authorization sponsorship by our company for this position now or in the future Must be at least 18 years old Technical Qualifications: Must have a computer/PC (No MACs) with compatible OS versions: Windows 7, 8, 8.1, or Windows 10 Must have a computer USB headset with microphone Must have a separate modem Must have a router with gigabit speed connection via Ethernet cable Must have high-speed internet access provided by a cable or fiber provider (no DSL, satellite or wireless) Minimum upload speed of 2 mbps Minimum download speed of 5 mbps Use of wireless and WiFi ?air cards? is prohibited *Applicants must meet all technical qualifications at the time of application. Qualified candidates must also possess the following: Exceptional communication both verbal and written; a good telephone voice, proper English usage, and the ability to ?project? oneself over the phone are necessary Must be dependable and comfortable working independently as well as part of a team where expertise is shared and feedback is welcomed Advanced personal computing and keyboard skills Ability to rely on provided resources and quickly research responses Strong time management, organizational and problem-solving skills Strong computer navigation skills and ability to toggle between different computer screens and programs Ability to apply experience-based knowledge and leadership skills toward organizational goals Strong sense of initiative and ability to stay optimistic while working with difficult customers *You will be shipped a headset and key fob to the address provided on your application. Equipment may arrive separately. ? *We reserve the right to verify that your PC meets or exceeds these requirements. Apply To Become A Customer Service Agent: https://virtualdeskjobs.com/join-now/- Please reference agent ID code VDJSerenaJ. Please contact us directly to discuss customer service remote job openings at 405-494-0214. Car-Rental-Reservationist from Job Portal https://www.jobisite.com/ext/617768-Car-Rental-Reservationist
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CARD 405 Career Development
In Order To Purchase This Or Any Other Complete Course, Test banks, Solution Manuals,Assignments,Discussions, Contact us at
CARD 405 Career Development
A+ Entire Course: Self-Assessment Week 2 | Resume Draft Week 3 | Career and Company Research Week 4 | Portfolio Draft Week 4 | Cover and Thank you Letters Week 5 |Resume Final Week 6 | Interview Questions Week 7 | Portfolio Week 7 | Informational Interview Week 8 | Discussions Week 1-7
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Car Rental Reservationist
Virtual Desk Jobs is seeking Car Rental Reservationists for our Contact Center?s Customer Service team! Our Customer Service Representatives answer general questions, research reservations and billing, troubleshoot and resolve a variety of customer concerns, and address complaints, all while providing the highest level of service for which we?re known and our customers expect! If you? Can utilize effective problem-solving techniques to resolve customer needs with confidence and empathy Value teamwork and personal honesty and integrity Can navigate across multiple computer systems and program applications Enjoy analyzing and resolving a variety of complex issues Then this may be that outstanding opportunity you?ve been searching for! Customer service is our way of life! Our goal is to exceed our customer?s expectations and that starts with YOU! One customer, one call; one delivered promise at a time. We work hard and reward hard work! In addition to $12.85/hour, you will have the opportunity to earn bonuses based on both individual and team performance. Top performing individuals earn an additional $600/month, while top performing teams can earn up to an additional $2 more per hour, for every hour worked, during each month! Schedule Requirements: To best serve the needs of our customers, our Customer Service team is available until 10:00 pm CST offering full-time schedules with start times between 11 am ? 1:30 pm. Schedules include working weekends and do not change week-to-week. Once a schedule is assigned it is not negotiable upon completion of training. Responsibilities Handle multiple tasks, such as, talking with and listening to customers while accessing, reading, and inputting information into numerous applications Handle incoming calls, efficiently resolving a variety of customer service inquiries Utilize problem-solving skills to efficiently answer customer requests Maintain, at a minimum, target levels of productivity and performance Locate and interpret complex information from a number of databases Maintain a courteous and pleasant demeanor while speaking with external and internal customers Adapt to the need of individual callers Accept repetitive work tasks while providing excellent service to customers Provide timely and accurate information reflecting a customer-oriented image for the company Seek to improve job performance through self-assessment, skill development, training and goal setting Maintain a regular and reliable level of attendance and punctuality Perform miscellaneous job-related duties as assigned Qualifications Minimum 2 years of customer service experience focused on resolving customer concerns and handling difficult conversations Experience in a performance-based or metric-driven environment Call center experience preferred Experience handling help desk or escalated situations requiring problem resolution preferred Work-related experience working on a personal computer (PC), navigating through multiple computer systems and screens Permanent residence with a defined working space that is clean and quiet Ability to participate and complete mandatory training for 6 weeks, M-F, 9-5:30pm CST Ability to complete I-9 work authorization paperwork in person Must be willing to work a full-time schedule (40 hours/week), with start times between 11am-1pm (Central Time Zone), including both weekends days (Saturday & Sunday) Must be willing to accept a starting pay of $12.85/hour Must be authorized to work in the United States and not require work authorization sponsorship by our company for this position now or in the future Must be at least 18 years old Technical Qualifications: Must have a computer/PC (No MACs) with compatible OS versions: Windows 7, 8, 8.1, or Windows 10 Must have a computer USB headset with microphone Must have a separate modem Must have a router with gigabit speed connection via Ethernet cable Must have high-speed internet access provided by a cable or fiber provider (no DSL, satellite or wireless) Minimum upload speed of 2 mbps Minimum download speed of 5 mbps Use of wireless and WiFi ?air cards? is prohibited *Applicants must meet all technical qualifications at the time of application. Qualified candidates must also possess the following: Exceptional communication both verbal and written; a good telephone voice, proper English usage, and the ability to ?project? oneself over the phone are necessary Must be dependable and comfortable working independently as well as part of a team where expertise is shared and feedback is welcomed Advanced personal computing and keyboard skills Ability to rely on provided resources and quickly research responses Strong time management, organizational and problem-solving skills Strong computer navigation skills and ability to toggle between different computer screens and programs Ability to apply experience-based knowledge and leadership skills toward organizational goals Strong sense of initiative and ability to stay optimistic while working with difficult customers *You will be shipped a headset and key fob to the address provided on your application. Equipment may arrive separately. ? *We reserves the right to verify that your PC meets or exceeds these requirements. Apply To Become A Customer Service Agent: https://virtualdeskjobs.com/join-now/- Please reference agent ID code VDJGiovanieM. Please contact us directly to discuss customer service remote job openings at 405-494-0214. CarRentalReservationist from Job Portal https://www.jobisite.com/extrJobView.htm?id=411276
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Car Rental Reservationist
Virtual Desk Jobs is seeking Car Rental Reservationists for our Contact Center?s Customer Service team! Our Customer Service Representatives answer general questions, research reservations and billing, troubleshoot and resolve a variety of customer concerns, and address complaints, all while providing the highest level of service for which we?re known and our customers expect! If you? Can utilize effective problem-solving techniques to resolve customer needs with confidence and empathy Value teamwork and personal honesty and integrity Can navigate across multiple computer systems and program applications Enjoy analyzing and resolving a variety of complex issues Then this may be that outstanding opportunity you?ve been searching for! Customer service is our way of life! Our goal is to exceed our customer?s expectations and that starts with YOU! One customer, one call; one delivered promise at a time. We work hard and reward hard work! In addition to $12.85/hour, you will have the opportunity to earn bonuses based on both individual and team performance. Top performing individuals earn an additional $600/month, while top performing teams can earn up to an additional $2 more per hour, for every hour worked, during each month! Schedule Requirements: To best serve the needs of our customers, our Customer Service team is available until 10:00 pm CST offering full-time schedules with start times between 11 am ? 1:30 pm. Schedules include working weekends and do not change week-to-week. Once a schedule is assigned it is not negotiable upon completion of training. Responsibilities Handle multiple tasks, such as, talking with and listening to customers while accessing, reading, and inputting information into numerous applications Handle incoming calls, efficiently resolving a variety of customer service inquiries Utilize problem-solving skills to efficiently answer customer requests Maintain, at a minimum, target levels of productivity and performance Locate and interpret complex information from a number of databases Maintain a courteous and pleasant demeanor while speaking with external and internal customers Adapt to the need of individual callers Accept repetitive work tasks while providing excellent service to customers Provide timely and accurate information reflecting a customer-oriented image for the company Seek to improve job performance through self-assessment, skill development, training and goal setting Maintain a regular and reliable level of attendance and punctuality Perform miscellaneous job-related duties as assigned Qualifications Minimum 2 years of customer service experience focused on resolving customer concerns and handling difficult conversations Experience in a performance-based or metric-driven environment Call center experience preferred Experience handling help desk or escalated situations requiring problem resolution preferred Work-related experience working on a personal computer (PC), navigating through multiple computer systems and screens Permanent residence with a defined working space that is clean and quiet Ability to participate and complete mandatory training for 6 weeks, M-F, 9-5:30pm CST Ability to complete I-9 work authorization paperwork in person Must be willing to work a full-time schedule (40 hours/week), with start times between 11am-1pm (Central Time Zone), including both weekends days (Saturday & Sunday) Must be willing to accept a starting pay of $12.85/hour Must be authorized to work in the United States and not require work authorization sponsorship by our company for this position now or in the future Must be at least 18 years old Technical Qualifications: Must have a computer/PC (No MACs) with compatible OS versions: Windows 7, 8, 8.1, or Windows 10 Must have a computer USB headset with microphone Must have a separate modem Must have a router with gigabit speed connection via Ethernet cable Must have high-speed internet access provided by a cable or fiber provider (no DSL, satellite or wireless) Minimum upload speed of 2 mbps Minimum download speed of 5 mbps Use of wireless and WiFi ?air cards? is prohibited *Applicants must meet all technical qualifications at the time of application. Qualified candidates must also possess the following: Exceptional communication both verbal and written; a good telephone voice, proper English usage, and the ability to ?project? oneself over the phone are necessary Must be dependable and comfortable working independently as well as part of a team where expertise is shared and feedback is welcomed Advanced personal computing and keyboard skills Ability to rely on provided resources and quickly research responses Strong time management, organizational and problem-solving skills Strong computer navigation skills and ability to toggle between different computer screens and programs Ability to apply experience-based knowledge and leadership skills toward organizational goals Strong sense of initiative and ability to stay optimistic while working with difficult customers *You will be shipped a headset and key fob to the address provided on your application. Equipment may arrive separately. ? *We reserves the right to verify that your PC meets or exceeds these requirements. Apply To Become A Customer Service Agent: https://virtualdeskjobs.com/join-now/- Please reference agent ID code VDJGiovanieM. Please contact us directly to discuss customer service remote job openings at 405-494-0214. CarRentalReservationist from Job Portal https://www.jobisite.com/extrJobView.htm?id=411276
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MATH 533 ( Applied Managerial Statistics ) Entire Course
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(MATH 533 Applied Managerial Statistics – DeVry)
(MATH 533 Week 1) MATH 533 Week 1 Homework Problems (MyStatLab) MATH 533 Week 1 Graded Discussion Topics MATH 533 Week 1 Quiz
(MATH 533 Week 2) MATH 533 Week 2 Homework Problems (MyStatLab) MATH 533 Week 2 Graded Discussion Topics MATH 533 Week 2 Course Project – Part A (SALESCALL Inc.)
(MATH 533 Week 3) MATH 533 Week 3 Homework Problems (MyStatLab) MATH 533 Week 3 Graded Discussion Topics
(MATH 533 Week 4) MATH 533 Week 4 Homework Problems (MyStatLab) MATH 533 Week 4 Graded Discussion Topics
(MATH 533 Week 5) MATH 533 Week 5 Homework Problems (MyStatLab) MATH 533 Week 5 Quiz MATH 533 Week 5 Graded Discussion Topics
(MATH 533 Week 6) MATH 533 Week 6 Homework Problems (MyStatLab) MATH 533 Week 6 Graded Discussion Topics MATH 533 Week 6 Course Project – Part B (SALESCALL Inc.)
(MATH 533 Week 7) MATH 533 Week 7 Course Project – Part C (SALESCALL Inc.) MATH 533 Week 7 Graded Discussion Topics
(MATH 533 Week 8 Final Exam Answers)
MATH 533 ( Applied Managerial Statistics ) Final Exam Answers
MATH 533 Final Exam Set 1
(TCO D) PuttingPeople2Work has a growing business placing out-of-work MBAs. They claim they can place a client in a job in their field in less than 36 weeks. You are given the following data from a sample. Sample size: 100 Population standard deviation: 5 Sample mean: 34.2 Formulate a hypothesis test to evaluate the claim. (Points : 10) Ho: µ = 36; Ha: µ ≠ 36 Ho: µ ≥ 36; Ha: µ < 36 Ho: µ ≤ 34.2; Ha: µ > 34.2 Ho: µ > 36; Ha: µ ≤ 36
Ans. b. H0 must always have equal sign, < 36 weeks 2. (TCO B) The Republican party is interested in studying the number of republicans that might vote in a particular congressional district. Assume that the number of voters is binomially distributed by party affiliation (either republican or not republican). If 10 people show up at the polls, determine the following: Binomial distribution
10
n
0.5
p
X
P(X)
cumulative probability
0
0.00098
0.00098
1
0.00977
0.01074
2
0.04395
0.05469
3
0.11719
0.17188
4
0.20508
0.37695
5
0.24609
0.62305
6
0.20508
0.82813
7
0.11719
0.94531
8
0.04395
0.98926
9
0.00977
0.99902
10
0.00098
1.00000
What is the probability that no more than four will be republicans? (Points : 10) 38% 12% 21% 62%
Ans. a look at x=4, cumulative probability 3. (TCO A) Company ABC had sales per month as listed below. Using the Minitab output given, determine: (A) Range (5 points); (B) Median (5 points); and (C) The range of the data that would contain 68% of the results. (5 points). Raw data: sales/month (Millions of $) 23 45 34 34 56 67 54 34 45 56 23 19 Descriptive Statistics: Sales
Variable
Total Count
Mean
StDev
Variance
Minimum
Maximum
Range
Sales
12
40.83
15.39
236.88
19.00
67.00
48.00
Stem-and-Leaf Display: Sales Stem-and-leaf of Sales N = 12 Leaf Unit = 1.0
1
1
9
3
2
33
3
2
6
3
444
6
3
6
4
6
4
55
4
5
4
3
5
66
1
6
1
6
7
Reference: (TCO A) Company ABC had sales per month as listed below. Using the MegaStat output given, determine: (A) Range (5 points) (B) Median (5 points) (C) The range of the data that would contain 68% of the results. (5 points)
Raw data: sales/month (Millions of $) 19 34 23 34 56 45 35 36 46 47 19 23
count 12 mean 34.75 sample variance 146.20 sample standard deviation 12.09 minimum 19 maximum 56 range 37
Stem and Leaf plot for # 1 stem unit = 10 leaf unit = 1
count
12.00000
mean
34.75000
sample variance
146.20455
sample standard deviation
12.09151
minimum
19.00000
maximum
56.00000
range
37.00000
1st quartile
23.00000
median
34.50000
3rd quartile
45.25000
interquartile range
22.25000
mode
19.00000
4. (TCO C, D) Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 2 cm. The following data is from a test run from Chris Cross Manufacturing. Should Tesla select them as a vendor? Explain your answer. Descriptive statistics
count
16
mean
99.850
sample variance
4.627
sample standard deviation
2.151
minimum
96.9
maximum
104
range
7.1
population variance
4.338
population standard deviation
2.083
standard error of the mean
0.538
tolerance interval 95.45% lower
95.548
tolerance interval 95.45% upper
104.152
margin of error
4.302
1st quartile
98.850
median
99.200
3rd quartile
100.550
interquartile range
1.700
mode
103.000
(Points : 25) Reference: Chegg Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing.
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900
Question: Should Tesla select them as a vendor? Explain your answer.
Answers (1)
· Given that,
Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing:
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900 Now, we have to construct 95% confidence interval for the data from
the Chris Cross Manufacturing
(TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 4.5% are defective. The manufacturer claims this is a fluke of the sample. At a .02 level of significance, test the manufacturer’s claim, and explain your answer.
Test and CI for One Proportion
Test of p = 0.02 vs p > 0.02
Sample
X
N
Sample p
98% Lower Bound
Z-Value
P-Value
1
4
100
0.040000
0.000000
1.43
0.077
Reference:
Set up the hypotheses:
H0: p <= 0.02
Ha: p > 0.02
This is a one tailed test, since we will only reject for high proportions.
Since we are using a 0.02 level of significance (it’s just chance that the hypotheses happen to have the same value as this), we’ll reject the null hypothesis if our P Value is less than 0.02.
The computed P value from Megastat was 0.0371.
This is higher than the significance level.
Therefore, we do not reject H0:.
We can say that the proportion is still less than or equal to 2%, and this was a fluke.
Final Page 2
1. (TCO B) The following table gives the number of visits to recreational facilities by kind and geographical region. (Points : 30)
Ans.
East
South
Midwest
West
Totals
Local Park
55
328
29
52
464
National Park
233
514
204
251
1202
State Park
100
526
65
102
793
Totals
388
1368
298
405
2459
(A) Referring to the above table, if a visitor is chosen at random, what is the probability that he or she is either from the South or from the West? (15 points) (B) Referring to the above table, given that the visitor is from the Midwest, what is the probability that he or she visited a local park? (15 points)
a. Total people = 2459
South + West = 1368 + 405 = 1773
probability — divide these:
1773/2459 = approx 0.721
b.
Total Midwest = 298
Midwest local park = 29
Divide:
(TCO B, F) The length of time Americans exercise each week is normally distributed with a mean of 15.8 minutes and a standard deviation of 2.2 minutes
X
P(X≤x)
P(X≥x)
Mean
Std dev
11
.0146
.9854
15.8
2.2
15
.3581
.6419
15.8
2.2
21
.9910
.0090
15.8
2.2
24
.9999
.0001
15.8
2.2
p(lower)
p(upper)
(A) Analyze the output above to determine what percentage of Americans will exercise between 11 and 21 minutes per week. (15 points) (B) What percentage of Americans will exercise less than 15 minutes? If 1000 Americans were evaluated, how many would you expect to have exercised less than 15 minutes? (15 points) (Points : 30)
MATH 533 Final Exam Set 2
(TCO A) Seventeen salespeople reported the following number of sales calls completed last month.
72 93 82 81 82 97 102 107 119 86 88 91 83 93 73 100 102
Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, and Max for the above sample data on number of sales calls per month. b. In the context of this situation, interpret the Median, Q1, and Q3. (Points : 33)
(TCO B) Cedar Home Furnishings has collected data on their customers in terms of whether they reside in an urban location or a suburban location, as well as rating the customers as either “good,” “borderline,” or “poor.” The data is below.
Urban
Suburban
Total
Good
60
168
228
Borderline
36
72
108
Poor
24
40
64
Total
120
280
400
If you choose a customer at random, then find the probability that the customer
is considered “borderline.”
(TCO B) Historically, 70% of your customers at Rodale Emporium pay for their purchases using credit cards. In a sample of 20 customers, find the probability that
exactly 14 customers will pay for their purchases using credit cards.
(TCO C) An operations analyst from an airline company has been asked to develop a fairly accurate estimate of the mean refueling and baggage handling time at a foreign airport. A random sample of 36 refueling and baggage handling times yields the following results.
Sample Size = 36 Sample Mean = 24.2 minutes Sample Standard Deviation = 4.2 minutes
Compute the 90% confidence interval for the population mean refueling and baggage time.
(TCO C) The manufacturer of a certain brand of toothpaste claims that a high percentage of dentists recommend the use of their toothpaste. A random sample of 400 dentists results in 310 recommending their toothpaste.
Compute the 99% confidence interval for the population proportion of dentists who recommend the use of this toothpaste.
(TCO D) A Ford Motor Company quality improvement team believes that its recently implemented defect reduction program has reduced the proportion of paint defects. Prior to the implementation of the program, the proportion of paint defects was .03 and had been stationary for the past 6 months. Ford selects a random sample of 2,000 cars built after the implementation of the defect reduction program. There were 45 cars with paint defects in that sample. Does the sample data provide evidence to conclude that the proportion of paint defects is now less than .03 (with a = .01)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO D) A new car dealer calculates that the dealership must average more than 4.5% profit on sales of new cars. A random sample of 81 cars gives the following result.
Sample Size = 81 Sample Mean = 4.97% Sample Standard Deviation = 1.8%
Does the sample data provide evidence to conclude that the dealership averages more than 4.5% profit on sales of new cars (using a = .10)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO E) Bill McFarland is a real estate broker who specializes in selling farmland in a large western state. Because Bill advises many of his clients about pricing their land, he is interested in developing a pricing formula of some type. He feels he could increase his business significantly if he could accurately determine the value of a farmer’s land. A geologist tells Bill that the soil and rock characteristics in most of the area that Bill sells do not vary much. Thus the price of land should depend greatly on acreage. Bill selects a sample of 30 plots recently sold. The data is found below (in Minitab), where X=Acreage and Y=Price ($1,000s).
PRICE
ACREAGE
PREDICT
60
20.0
50
130
40.5
250
25
10.2
300
100.0
85
30.0
182
56.5
115
41.0
24
10.0
60
18.5
92
30.0
77
25.6
122
42.0
41
14.0
200
70.0
42
13.0
60
21.6
20
6.5
145
45.0
61
19.2
235
80.0
250
90.0
278
95.0
118
41.0
46
14.0
69
22.0
220
81.5
235
78.0
50
16.0
25
10.0
290
100.0
Correlations: PRICE, ACREAGE Pearson correlation of PRICE and ACREAGE = 0.997 P-Value = 0.000
Regression Analysis: PRICE versus ACREAGE The regression equation is PRICE = 2.26 + 2.89 ACREAGE
Predictor Coef SE Coef T P Constant 2.257 2.231 1.01 0.320 ACREAGE 2.89202 0.04353 66.44 0.000
S = 7.21461 R-Sq = 99.4% R-Sq(adj) = 99.3%
Analysis of Variance
Source DF SS MS F P Regression 1 229757 229757 4414.11 0.000 Residual Error 28 1457 52 Total 29 231215
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 146.86 1.37 (144.05, 149.66) (131.82, 161.90) 2 725.26 9.18 (706.46, 744.06) (701.35, 749.17)XX
XX denotes a point that is an extreme outlier in the predictors.
Values of Predictors for New Observations
New Obs ACREAGE 1 50 2 250
Analyze the above output to determine the regression equation.
(TCO E) An insurance firm wishes to study the relationship between driving experience (X1, in years), number of driving violations in the past three years (X2), and current monthly auto insurance premium (Y). A sample of 12 insured drivers is selected at random. The data is given below (in MINITAB):
Y
X1
X2
Predict X1
Predict X2
74
5
2
8
1
38
14
050
6
1
63
10
3
97
4
6
55
8
2
57
11
3
43
16
1
99
3
5
46
9
1
35
19
060
13
3
Regression Analysis: Y versus X1, X2 The regression equation is Y = 55.1 – 1.37 X1 + 8.05 X2
Predictor Coef SE Coef T P Constant 55.138 7.309 7.54 0.000 X1 -1.3736 0.4885 -2.81 0.020 X2 8.053 1.307 6.16 0.000
S = 6.07296 R-Sq = 93.1% R-Sq(adj) = 91.6%
Analysis of Variance
Source DF SS MS F P Regression 2 4490.3 2245.2 60.88 0.000 Residual Error 9 331.9 36.9 Total 11 4822.3
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 52.20 2.91 (45.62, 58.79) (36.97, 67.44)
Values of Predictors for New Observations
New Obs X1 X2 1 8.00 1.00
Correlations: Y, X1, X2 Y X1 X1 -0.800 0.002
X2 0.933 -0.660 0.000 0.020
Cell Contents: Pearson correlation P-Value
Analyze the above output to determine the multiple regression equation.
MATH 533 Final Exam Set 3
MATH 533 Final Exam Set 4
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MATH 533 ( Applied Managerial Statistics ) Entire Course
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(MATH 533 Applied Managerial Statistics – DeVry)
(MATH 533 Week 1) MATH 533 Week 1 Homework Problems (MyStatLab) MATH 533 Week 1 Graded Discussion Topics MATH 533 Week 1 Quiz
(MATH 533 Week 2) MATH 533 Week 2 Homework Problems (MyStatLab) MATH 533 Week 2 Graded Discussion Topics MATH 533 Week 2 Course Project – Part A (SALESCALL Inc.)
(MATH 533 Week 3) MATH 533 Week 3 Homework Problems (MyStatLab) MATH 533 Week 3 Graded Discussion Topics
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(MATH 533 Week 8 Final Exam Answers)
MATH 533 ( Applied Managerial Statistics ) Final Exam Answers
MATH 533 Final Exam Set 1
(TCO D) PuttingPeople2Work has a growing business placing out-of-work MBAs. They claim they can place a client in a job in their field in less than 36 weeks. You are given the following data from a sample. Sample size: 100 Population standard deviation: 5 Sample mean: 34.2 Formulate a hypothesis test to evaluate the claim. (Points : 10) Ho: µ = 36; Ha: µ ≠ 36 Ho: µ ≥ 36; Ha: µ < 36 Ho: µ ≤ 34.2; Ha: µ > 34.2 Ho: µ > 36; Ha: µ ≤ 36
Ans. b. H0 must always have equal sign, < 36 weeks 2. (TCO B) The Republican party is interested in studying the number of republicans that might vote in a particular congressional district. Assume that the number of voters is binomially distributed by party affiliation (either republican or not republican). If 10 people show up at the polls, determine the following: Binomial distribution
10
n
0.5
p
X
P(X)
cumulative probability
0
0.00098
0.00098
1
0.00977
0.01074
2
0.04395
0.05469
3
0.11719
0.17188
4
0.20508
0.37695
5
0.24609
0.62305
6
0.20508
0.82813
7
0.11719
0.94531
8
0.04395
0.98926
9
0.00977
0.99902
10
0.00098
1.00000
What is the probability that no more than four will be republicans? (Points : 10) 38% 12% 21% 62%
Ans. a look at x=4, cumulative probability 3. (TCO A) Company ABC had sales per month as listed below. Using the Minitab output given, determine: (A) Range (5 points); (B) Median (5 points); and (C) The range of the data that would contain 68% of the results. (5 points). Raw data: sales/month (Millions of $) 23 45 34 34 56 67 54 34 45 56 23 19 Descriptive Statistics: Sales
Variable
Total Count
Mean
StDev
Variance
Minimum
Maximum
Range
Sales
12
40.83
15.39
236.88
19.00
67.00
48.00
Stem-and-Leaf Display: Sales Stem-and-leaf of Sales N = 12 Leaf Unit = 1.0
1
1
9
3
2
33
3
2
6
3
444
6
3
6
4
6
4
55
4
5
4
3
5
66
1
6
1
6
7
Reference: (TCO A) Company ABC had sales per month as listed below. Using the MegaStat output given, determine: (A) Range (5 points) (B) Median (5 points) (C) The range of the data that would contain 68% of the results. (5 points)
Raw data: sales/month (Millions of $) 19 34 23 34 56 45 35 36 46 47 19 23
count 12 mean 34.75 sample variance 146.20 sample standard deviation 12.09 minimum 19 maximum 56 range 37
Stem and Leaf plot for # 1 stem unit = 10 leaf unit = 1
count
12.00000
mean
34.75000
sample variance
146.20455
sample standard deviation
12.09151
minimum
19.00000
maximum
56.00000
range
37.00000
1st quartile
23.00000
median
34.50000
3rd quartile
45.25000
interquartile range
22.25000
mode
19.00000
4. (TCO C, D) Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 2 cm. The following data is from a test run from Chris Cross Manufacturing. Should Tesla select them as a vendor? Explain your answer. Descriptive statistics
count
16
mean
99.850
sample variance
4.627
sample standard deviation
2.151
minimum
96.9
maximum
104
range
7.1
population variance
4.338
population standard deviation
2.083
standard error of the mean
0.538
tolerance interval 95.45% lower
95.548
tolerance interval 95.45% upper
104.152
margin of error
4.302
1st quartile
98.850
median
99.200
3rd quartile
100.550
interquartile range
1.700
mode
103.000
(Points : 25) Reference: Chegg Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing.
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900
Question: Should Tesla select them as a vendor? Explain your answer.
Answers (1)
· Given that,
Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing:
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900 Now, we have to construct 95% confidence interval for the data from
the Chris Cross Manufacturing
(TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 4.5% are defective. The manufacturer claims this is a fluke of the sample. At a .02 level of significance, test the manufacturer’s claim, and explain your answer.
Test and CI for One Proportion
Test of p = 0.02 vs p > 0.02
Sample
X
N
Sample p
98% Lower Bound
Z-Value
P-Value
1
4
100
0.040000
0.000000
1.43
0.077
Reference:
Set up the hypotheses:
H0: p <= 0.02
Ha: p > 0.02
This is a one tailed test, since we will only reject for high proportions.
Since we are using a 0.02 level of significance (it’s just chance that the hypotheses happen to have the same value as this), we’ll reject the null hypothesis if our P Value is less than 0.02.
The computed P value from Megastat was 0.0371.
This is higher than the significance level.
Therefore, we do not reject H0:.
We can say that the proportion is still less than or equal to 2%, and this was a fluke.
Final Page 2
1. (TCO B) The following table gives the number of visits to recreational facilities by kind and geographical region. (Points : 30)
Ans.
East
South
Midwest
West
Totals
Local Park
55
328
29
52
464
National Park
233
514
204
251
1202
State Park
100
526
65
102
793
Totals
388
1368
298
405
2459
(A) Referring to the above table, if a visitor is chosen at random, what is the probability that he or she is either from the South or from the West? (15 points) (B) Referring to the above table, given that the visitor is from the Midwest, what is the probability that he or she visited a local park? (15 points)
a. Total people = 2459
South + West = 1368 + 405 = 1773
probability — divide these:
1773/2459 = approx 0.721
b.
Total Midwest = 298
Midwest local park = 29
Divide:
(TCO B, F) The length of time Americans exercise each week is normally distributed with a mean of 15.8 minutes and a standard deviation of 2.2 minutes
X
P(X≤x)
P(X≥x)
Mean
Std dev
11
.0146
.9854
15.8
2.2
15
.3581
.6419
15.8
2.2
21
.9910
.0090
15.8
2.2
24
.9999
.0001
15.8
2.2
p(lower)
p(upper)
(A) Analyze the output above to determine what percentage of Americans will exercise between 11 and 21 minutes per week. (15 points) (B) What percentage of Americans will exercise less than 15 minutes? If 1000 Americans were evaluated, how many would you expect to have exercised less than 15 minutes? (15 points) (Points : 30)
MATH 533 Final Exam Set 2
(TCO A) Seventeen salespeople reported the following number of sales calls completed last month.
72 93 82 81 82 97 102 107 119 86 88 91 83 93 73 100 102
Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, and Max for the above sample data on number of sales calls per month. b. In the context of this situation, interpret the Median, Q1, and Q3. (Points : 33)
(TCO B) Cedar Home Furnishings has collected data on their customers in terms of whether they reside in an urban location or a suburban location, as well as rating the customers as either “good,” “borderline,” or “poor.” The data is below.
Urban
Suburban
Total
Good
60
168
228
Borderline
36
72
108
Poor
24
40
64
Total
120
280
400
If you choose a customer at random, then find the probability that the customer
is considered “borderline.”
(TCO B) Historically, 70% of your customers at Rodale Emporium pay for their purchases using credit cards. In a sample of 20 customers, find the probability that
exactly 14 customers will pay for their purchases using credit cards.
(TCO C) An operations analyst from an airline company has been asked to develop a fairly accurate estimate of the mean refueling and baggage handling time at a foreign airport. A random sample of 36 refueling and baggage handling times yields the following results.
Sample Size = 36 Sample Mean = 24.2 minutes Sample Standard Deviation = 4.2 minutes
Compute the 90% confidence interval for the population mean refueling and baggage time.
(TCO C) The manufacturer of a certain brand of toothpaste claims that a high percentage of dentists recommend the use of their toothpaste. A random sample of 400 dentists results in 310 recommending their toothpaste.
Compute the 99% confidence interval for the population proportion of dentists who recommend the use of this toothpaste.
(TCO D) A Ford Motor Company quality improvement team believes that its recently implemented defect reduction program has reduced the proportion of paint defects. Prior to the implementation of the program, the proportion of paint defects was .03 and had been stationary for the past 6 months. Ford selects a random sample of 2,000 cars built after the implementation of the defect reduction program. There were 45 cars with paint defects in that sample. Does the sample data provide evidence to conclude that the proportion of paint defects is now less than .03 (with a = .01)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO D) A new car dealer calculates that the dealership must average more than 4.5% profit on sales of new cars. A random sample of 81 cars gives the following result.
Sample Size = 81 Sample Mean = 4.97% Sample Standard Deviation = 1.8%
Does the sample data provide evidence to conclude that the dealership averages more than 4.5% profit on sales of new cars (using a = .10)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO E) Bill McFarland is a real estate broker who specializes in selling farmland in a large western state. Because Bill advises many of his clients about pricing their land, he is interested in developing a pricing formula of some type. He feels he could increase his business significantly if he could accurately determine the value of a farmer’s land. A geologist tells Bill that the soil and rock characteristics in most of the area that Bill sells do not vary much. Thus the price of land should depend greatly on acreage. Bill selects a sample of 30 plots recently sold. The data is found below (in Minitab), where X=Acreage and Y=Price ($1,000s).
PRICE
ACREAGE
PREDICT
60
20.0
50
130
40.5
250
25
10.2
300
100.0
85
30.0
182
56.5
115
41.0
24
10.0
60
18.5
92
30.0
77
25.6
122
42.0
41
14.0
200
70.0
42
13.0
60
21.6
20
6.5
145
45.0
61
19.2
235
80.0
250
90.0
278
95.0
118
41.0
46
14.0
69
22.0
220
81.5
235
78.0
50
16.0
25
10.0
290
100.0
Correlations: PRICE, ACREAGE Pearson correlation of PRICE and ACREAGE = 0.997 P-Value = 0.000
Regression Analysis: PRICE versus ACREAGE The regression equation is PRICE = 2.26 + 2.89 ACREAGE
Predictor Coef SE Coef T P Constant 2.257 2.231 1.01 0.320 ACREAGE 2.89202 0.04353 66.44 0.000
S = 7.21461 R-Sq = 99.4% R-Sq(adj) = 99.3%
Analysis of Variance
Source DF SS MS F P Regression 1 229757 229757 4414.11 0.000 Residual Error 28 1457 52 Total 29 231215
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 146.86 1.37 (144.05, 149.66) (131.82, 161.90) 2 725.26 9.18 (706.46, 744.06) (701.35, 749.17)XX
XX denotes a point that is an extreme outlier in the predictors.
Values of Predictors for New Observations
New Obs ACREAGE 1 50 2 250
Analyze the above output to determine the regression equation.
(TCO E) An insurance firm wishes to study the relationship between driving experience (X1, in years), number of driving violations in the past three years (X2), and current monthly auto insurance premium (Y). A sample of 12 insured drivers is selected at random. The data is given below (in MINITAB):
Y
X1
X2
Predict X1
Predict X2
74
5
2
8
1
38
14
050
6
1
63
10
3
97
4
6
55
8
2
57
11
3
43
16
1
99
3
5
46
9
1
35
19
060
13
3
Regression Analysis: Y versus X1, X2 The regression equation is Y = 55.1 – 1.37 X1 + 8.05 X2
Predictor Coef SE Coef T P Constant 55.138 7.309 7.54 0.000 X1 -1.3736 0.4885 -2.81 0.020 X2 8.053 1.307 6.16 0.000
S = 6.07296 R-Sq = 93.1% R-Sq(adj) = 91.6%
Analysis of Variance
Source DF SS MS F P Regression 2 4490.3 2245.2 60.88 0.000 Residual Error 9 331.9 36.9 Total 11 4822.3
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 52.20 2.91 (45.62, 58.79) (36.97, 67.44)
Values of Predictors for New Observations
New Obs X1 X2 1 8.00 1.00
Correlations: Y, X1, X2 Y X1 X1 -0.800 0.002
X2 0.933 -0.660 0.000 0.020
Cell Contents: Pearson correlation P-Value
Analyze the above output to determine the multiple regression equation.
MATH 533 Final Exam Set 3
MATH 533 Final Exam Set 4
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MATH 533 ( Applied Managerial Statistics ) Entire Course
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(MATH 533 Applied Managerial Statistics – DeVry)
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(MATH 533 Week 8 Final Exam Answers)
MATH 533 ( Applied Managerial Statistics ) Final Exam Answers
MATH 533 Final Exam Set 1
(TCO D) PuttingPeople2Work has a growing business placing out-of-work MBAs. They claim they can place a client in a job in their field in less than 36 weeks. You are given the following data from a sample. Sample size: 100 Population standard deviation: 5 Sample mean: 34.2 Formulate a hypothesis test to evaluate the claim. (Points : 10) Ho: µ = 36; Ha: µ ≠ 36 Ho: µ ≥ 36; Ha: µ < 36 Ho: µ ≤ 34.2; Ha: µ > 34.2 Ho: µ > 36; Ha: µ ≤ 36
Ans. b. H0 must always have equal sign, < 36 weeks 2. (TCO B) The Republican party is interested in studying the number of republicans that might vote in a particular congressional district. Assume that the number of voters is binomially distributed by party affiliation (either republican or not republican). If 10 people show up at the polls, determine the following: Binomial distribution
10
n
0.5
p
X
P(X)
cumulative probability
0
0.00098
0.00098
1
0.00977
0.01074
2
0.04395
0.05469
3
0.11719
0.17188
4
0.20508
0.37695
5
0.24609
0.62305
6
0.20508
0.82813
7
0.11719
0.94531
8
0.04395
0.98926
9
0.00977
0.99902
10
0.00098
1.00000
What is the probability that no more than four will be republicans? (Points : 10) 38% 12% 21% 62%
Ans. a look at x=4, cumulative probability 3. (TCO A) Company ABC had sales per month as listed below. Using the Minitab output given, determine: (A) Range (5 points); (B) Median (5 points); and (C) The range of the data that would contain 68% of the results. (5 points). Raw data: sales/month (Millions of $) 23 45 34 34 56 67 54 34 45 56 23 19 Descriptive Statistics: Sales
Variable
Total Count
Mean
StDev
Variance
Minimum
Maximum
Range
Sales
12
40.83
15.39
236.88
19.00
67.00
48.00
Stem-and-Leaf Display: Sales Stem-and-leaf of Sales N = 12 Leaf Unit = 1.0
1
1
9
3
2
33
3
2
6
3
444
6
3
6
4
6
4
55
4
5
4
3
5
66
1
6
1
6
7
Reference: (TCO A) Company ABC had sales per month as listed below. Using the MegaStat output given, determine: (A) Range (5 points) (B) Median (5 points) (C) The range of the data that would contain 68% of the results. (5 points)
Raw data: sales/month (Millions of $) 19 34 23 34 56 45 35 36 46 47 19 23
count 12 mean 34.75 sample variance 146.20 sample standard deviation 12.09 minimum 19 maximum 56 range 37
Stem and Leaf plot for # 1 stem unit = 10 leaf unit = 1
count
12.00000
mean
34.75000
sample variance
146.20455
sample standard deviation
12.09151
minimum
19.00000
maximum
56.00000
range
37.00000
1st quartile
23.00000
median
34.50000
3rd quartile
45.25000
interquartile range
22.25000
mode
19.00000
4. (TCO C, D) Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 2 cm. The following data is from a test run from Chris Cross Manufacturing. Should Tesla select them as a vendor? Explain your answer. Descriptive statistics
count
16
mean
99.850
sample variance
4.627
sample standard deviation
2.151
minimum
96.9
maximum
104
range
7.1
population variance
4.338
population standard deviation
2.083
standard error of the mean
0.538
tolerance interval 95.45% lower
95.548
tolerance interval 95.45% upper
104.152
margin of error
4.302
1st quartile
98.850
median
99.200
3rd quartile
100.550
interquartile range
1.700
mode
103.000
(Points : 25) Reference: Chegg Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing.
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900
Question: Should Tesla select them as a vendor? Explain your answer.
Answers (1)
· Given that,
Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing:
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900 Now, we have to construct 95% confidence interval for the data from
the Chris Cross Manufacturing
(TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 4.5% are defective. The manufacturer claims this is a fluke of the sample. At a .02 level of significance, test the manufacturer’s claim, and explain your answer.
Test and CI for One Proportion
Test of p = 0.02 vs p > 0.02
Sample
X
N
Sample p
98% Lower Bound
Z-Value
P-Value
1
4
100
0.040000
0.000000
1.43
0.077
Reference:
Set up the hypotheses:
H0: p <= 0.02
Ha: p > 0.02
This is a one tailed test, since we will only reject for high proportions.
Since we are using a 0.02 level of significance (it’s just chance that the hypotheses happen to have the same value as this), we’ll reject the null hypothesis if our P Value is less than 0.02.
The computed P value from Megastat was 0.0371.
This is higher than the significance level.
Therefore, we do not reject H0:.
We can say that the proportion is still less than or equal to 2%, and this was a fluke.
Final Page 2
1. (TCO B) The following table gives the number of visits to recreational facilities by kind and geographical region. (Points : 30)
Ans.
East
South
Midwest
West
Totals
Local Park
55
328
29
52
464
National Park
233
514
204
251
1202
State Park
100
526
65
102
793
Totals
388
1368
298
405
2459
(A) Referring to the above table, if a visitor is chosen at random, what is the probability that he or she is either from the South or from the West? (15 points) (B) Referring to the above table, given that the visitor is from the Midwest, what is the probability that he or she visited a local park? (15 points)
a. Total people = 2459
South + West = 1368 + 405 = 1773
probability — divide these:
1773/2459 = approx 0.721
b.
Total Midwest = 298
Midwest local park = 29
Divide:
(TCO B, F) The length of time Americans exercise each week is normally distributed with a mean of 15.8 minutes and a standard deviation of 2.2 minutes
X
P(X≤x)
P(X≥x)
Mean
Std dev
11
.0146
.9854
15.8
2.2
15
.3581
.6419
15.8
2.2
21
.9910
.0090
15.8
2.2
24
.9999
.0001
15.8
2.2
p(lower)
p(upper)
(A) Analyze the output above to determine what percentage of Americans will exercise between 11 and 21 minutes per week. (15 points) (B) What percentage of Americans will exercise less than 15 minutes? If 1000 Americans were evaluated, how many would you expect to have exercised less than 15 minutes? (15 points) (Points : 30)
MATH 533 Final Exam Set 2
(TCO A) Seventeen salespeople reported the following number of sales calls completed last month.
72 93 82 81 82 97 102 107 119 86 88 91 83 93 73 100 102
Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, and Max for the above sample data on number of sales calls per month. b. In the context of this situation, interpret the Median, Q1, and Q3. (Points : 33)
(TCO B) Cedar Home Furnishings has collected data on their customers in terms of whether they reside in an urban location or a suburban location, as well as rating the customers as either “good,” “borderline,” or “poor.” The data is below.
Urban
Suburban
Total
Good
60
168
228
Borderline
36
72
108
Poor
24
40
64
Total
120
280
400
If you choose a customer at random, then find the probability that the customer
is considered “borderline.”
(TCO B) Historically, 70% of your customers at Rodale Emporium pay for their purchases using credit cards. In a sample of 20 customers, find the probability that
exactly 14 customers will pay for their purchases using credit cards.
(TCO C) An operations analyst from an airline company has been asked to develop a fairly accurate estimate of the mean refueling and baggage handling time at a foreign airport. A random sample of 36 refueling and baggage handling times yields the following results.
Sample Size = 36 Sample Mean = 24.2 minutes Sample Standard Deviation = 4.2 minutes
Compute the 90% confidence interval for the population mean refueling and baggage time.
(TCO C) The manufacturer of a certain brand of toothpaste claims that a high percentage of dentists recommend the use of their toothpaste. A random sample of 400 dentists results in 310 recommending their toothpaste.
Compute the 99% confidence interval for the population proportion of dentists who recommend the use of this toothpaste.
(TCO D) A Ford Motor Company quality improvement team believes that its recently implemented defect reduction program has reduced the proportion of paint defects. Prior to the implementation of the program, the proportion of paint defects was .03 and had been stationary for the past 6 months. Ford selects a random sample of 2,000 cars built after the implementation of the defect reduction program. There were 45 cars with paint defects in that sample. Does the sample data provide evidence to conclude that the proportion of paint defects is now less than .03 (with a = .01)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO D) A new car dealer calculates that the dealership must average more than 4.5% profit on sales of new cars. A random sample of 81 cars gives the following result.
Sample Size = 81 Sample Mean = 4.97% Sample Standard Deviation = 1.8%
Does the sample data provide evidence to conclude that the dealership averages more than 4.5% profit on sales of new cars (using a = .10)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO E) Bill McFarland is a real estate broker who specializes in selling farmland in a large western state. Because Bill advises many of his clients about pricing their land, he is interested in developing a pricing formula of some type. He feels he could increase his business significantly if he could accurately determine the value of a farmer’s land. A geologist tells Bill that the soil and rock characteristics in most of the area that Bill sells do not vary much. Thus the price of land should depend greatly on acreage. Bill selects a sample of 30 plots recently sold. The data is found below (in Minitab), where X=Acreage and Y=Price ($1,000s).
PRICE
ACREAGE
PREDICT
60
20.0
50
130
40.5
250
25
10.2
300
100.0
85
30.0
182
56.5
115
41.0
24
10.0
60
18.5
92
30.0
77
25.6
122
42.0
41
14.0
200
70.0
42
13.0
60
21.6
20
6.5
145
45.0
61
19.2
235
80.0
250
90.0
278
95.0
118
41.0
46
14.0
69
22.0
220
81.5
235
78.0
50
16.0
25
10.0
290
100.0
Correlations: PRICE, ACREAGE Pearson correlation of PRICE and ACREAGE = 0.997 P-Value = 0.000
Regression Analysis: PRICE versus ACREAGE The regression equation is PRICE = 2.26 + 2.89 ACREAGE
Predictor Coef SE Coef T P Constant 2.257 2.231 1.01 0.320 ACREAGE 2.89202 0.04353 66.44 0.000
S = 7.21461 R-Sq = 99.4% R-Sq(adj) = 99.3%
Analysis of Variance
Source DF SS MS F P Regression 1 229757 229757 4414.11 0.000 Residual Error 28 1457 52 Total 29 231215
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 146.86 1.37 (144.05, 149.66) (131.82, 161.90) 2 725.26 9.18 (706.46, 744.06) (701.35, 749.17)XX
XX denotes a point that is an extreme outlier in the predictors.
Values of Predictors for New Observations
New Obs ACREAGE 1 50 2 250
Analyze the above output to determine the regression equation.
(TCO E) An insurance firm wishes to study the relationship between driving experience (X1, in years), number of driving violations in the past three years (X2), and current monthly auto insurance premium (Y). A sample of 12 insured drivers is selected at random. The data is given below (in MINITAB):
Y
X1
X2
Predict X1
Predict X2
74
5
2
8
1
38
14
050
6
1
63
10
3
97
4
6
55
8
2
57
11
3
43
16
1
99
3
5
46
9
1
35
19
060
13
3
Regression Analysis: Y versus X1, X2 The regression equation is Y = 55.1 – 1.37 X1 + 8.05 X2
Predictor Coef SE Coef T P Constant 55.138 7.309 7.54 0.000 X1 -1.3736 0.4885 -2.81 0.020 X2 8.053 1.307 6.16 0.000
S = 6.07296 R-Sq = 93.1% R-Sq(adj) = 91.6%
Analysis of Variance
Source DF SS MS F P Regression 2 4490.3 2245.2 60.88 0.000 Residual Error 9 331.9 36.9 Total 11 4822.3
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 52.20 2.91 (45.62, 58.79) (36.97, 67.44)
Values of Predictors for New Observations
New Obs X1 X2 1 8.00 1.00
Correlations: Y, X1, X2 Y X1 X1 -0.800 0.002
X2 0.933 -0.660 0.000 0.020
Cell Contents: Pearson correlation P-Value
Analyze the above output to determine the multiple regression equation.
MATH 533 Final Exam Set 3
MATH 533 Final Exam Set 4
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MATH 533 ( Applied Managerial Statistics ) Full Course 2016
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MATH 533 ( Applied Managerial Statistics ) Final Exam Answers
MATH 533 Final Exam Set 1
(TCO D) PuttingPeople2Work has a growing business placing out-of-work MBAs. They claim they can place a client in a job in their field in less than 36 weeks. You are given the following data from a sample. Sample size: 100 Population standard deviation: 5 Sample mean: 34.2 Formulate a hypothesis test to evaluate the claim. (Points : 10) Ho: µ = 36; Ha: µ ≠ 36 Ho: µ ≥ 36; Ha: µ < 36 Ho: µ ≤ 34.2; Ha: µ > 34.2 Ho: µ > 36; Ha: µ ≤ 36
Ans. b. H0 must always have equal sign, < 36 weeks 2. (TCO B) The Republican party is interested in studying the number of republicans that might vote in a particular congressional district. Assume that the number of voters is binomially distributed by party affiliation (either republican or not republican). If 10 people show up at the polls, determine the following: Binomial distribution
10
n
0.5
p
X
P(X)
cumulative probability
00.00098
0.00098
1
0.00977
0.01074
2
0.04395
0.05469
3
0.11719
0.17188
4
0.20508
0.37695
5
0.24609
0.62305
6
0.20508
0.82813
7
0.11719
0.94531
8
0.04395
0.98926
9
0.00977
0.99902
10
0.00098
1.00000
What is the probability that no more than four will be republicans? (Points : 10) 38% 12% 21% 62%Ans. a look at x=4, cumulative probability 3. (TCO A) Company ABC had sales per month as listed below. Using the Minitab output given, determine: (A) Range (5 points); (B) Median (5 points); and (C) The range of the data that would contain 68% of the results. (5 points). Raw data: sales/month (Millions of $) 23 45 34 34 56 67 54 34 45 56 23 19 Descriptive Statistics: Sales
Variable
Total Count
Mean
StDev
Variance
Minimum
Maximum
Range
Sales
12
40.83
15.39
236.88
19.00
67.00
48.00
Stem-and-Leaf Display: Sales Stem-and-leaf of Sales N = 12 Leaf Unit = 1.0
1
1
9
3
2
33
3
2
6
3
444
6
3
6
4
6
4
55
4
5
4
3
5
66
1
6
1
6
7
Reference: (TCO A) Company ABC had sales per month as listed below. Using the MegaStat output given, determine: (A) Range (5 points) (B) Median (5 points) (C) The range of the data that would contain 68% of the results. (5 points)
Raw data: sales/month (Millions of $) 19 34 23 34 56 45 35 36 46 47 19 23
count 12 mean 34.75 sample variance 146.20 sample standard deviation 12.09 minimum 19 maximum 56 range 37
Stem and Leaf plot for # 1 stem unit = 10 leaf unit = 1
count
12.00000
mean
34.75000
sample variance
146.20455
sample standard deviation
12.09151
minimum
19.00000
maximum
56.00000
range
37.00000
1st quartile
23.00000
median
34.50000
3rd quartile
45.25000
interquartile range
22.25000
mode
19.00000
4. (TCO C, D) Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 2 cm. The following data is from a test run from Chris Cross Manufacturing. Should Tesla select them as a vendor? Explain your answer. Descriptive statistics
count
16
mean
99.850
sample variance
4.627
sample standard deviation
2.151
minimum
96.9
maximum
104
range
7.1
population variance
4.338
population standard deviation
2.083
standard error of the mean
0.538
tolerance interval 95.45% lower
95.548
tolerance interval 95.45% upper
104.152
margin of error
4.302
1st quartile
98.850
median
99.200
3rd quartile
100.550
interquartile range
1.700
mode
103.000
(Points : 25) Reference: Chegg Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing.
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900
Question: Should Tesla select them as a vendor? Explain your answer.
Answers (1)
· Given that,
Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing:
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900 Now, we have to construct 95% confidence interval for the data from
the Chris Cross Manufacturing
(TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 4.5% are defective. The manufacturer claims this is a fluke of the sample. At a .02 level of significance, test the manufacturer’s claim, and explain your answer.
Test and CI for One Proportion
Test of p = 0.02 vs p > 0.02
Sample
X
N
Sample p
98% Lower Bound
Z-Value
P-Value
1
4
100
0.040000
0.000000
1.43
0.077
Reference:
Set up the hypotheses:
H0: p <= 0.02
Ha: p > 0.02
This is a one tailed test, since we will only reject for high proportions.
Since we are using a 0.02 level of significance (it’s just chance that the hypotheses happen to have the same value as this), we’ll reject the null hypothesis if our P Value is less than 0.02.
The computed P value from Megastat was 0.0371.
This is higher than the significance level.
Therefore, we do not reject H0:.
We can say that the proportion is still less than or equal to 2%, and this was a fluke.
Final Page 2
1. (TCO B) The following table gives the number of visits to recreational facilities by kind and geographical region. (Points : 30)Ans.
East
South
Midwest
West
Totals
Local Park
55
328
29
52
464
National Park
233
514
204
251
1202
State Park
100
526
65
102
793
Totals
388
1368
298
405
2459
(A) Referring to the above table, if a visitor is chosen at random, what is the probability that he or she is either from the South or from the West? (15 points) (B) Referring to the above table, given that the visitor is from the Midwest, what is the probability that he or she visited a local park? (15 points)
a. Total people = 2459
South + West = 1368 + 405 = 1773
probability — divide these:
1773/2459 = approx 0.721
b.
Total Midwest = 298
Midwest local park = 29
Divide:
(TCO B, F) The length of time Americans exercise each week is normally distributed with a mean of 15.8 minutes and a standard deviation of 2.2 minutes
X
P(X≤x)
P(X≥x)
Mean
Std dev
11
.0146
.9854
15.8
2.2
15
.3581
.6419
15.8
2.2
21
.9910
.0090
15.8
2.2
24
.9999
.0001
15.8
2.2
p(lower)
p(upper)
(A) Analyze the output above to determine what percentage of Americans will exercise between 11 and 21 minutes per week. (15 points) (B) What percentage of Americans will exercise less than 15 minutes? If 1000 Americans were evaluated, how many would you expect to have exercised less than 15 minutes? (15 points) (Points : 30)
MATH 533 Final Exam Set 2
(TCO A) Seventeen salespeople reported the following number of sales calls completed last month.
72 93 82 81 82 97 102 107 119 86 88 91 83 93 73 100 102
Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, and Max for the above sample data on number of sales calls per month. b. In the context of this situation, interpret the Median, Q1, and Q3. (Points : 33)
(TCO B) Cedar Home Furnishings has collected data on their customers in terms of whether they reside in an urban location or a suburban location, as well as rating the customers as either “good,” “borderline,” or “poor.” The data is below.
Urban
Suburban
Total
Good
60
168
228
Borderline
36
72
108
Poor
24
40
64
Total
120
280
400
If you choose a customer at random, then find the probability that the customer
is considered “borderline.”
(TCO B) Historically, 70% of your customers at Rodale Emporium pay for their purchases using credit cards. In a sample of 20 customers, find the probability that
exactly 14 customers will pay for their purchases using credit cards.
(TCO C) An operations analyst from an airline company has been asked to develop a fairly accurate estimate of the mean refueling and baggage handling time at a foreign airport. A random sample of 36 refueling and baggage handling times yields the following results.
Sample Size = 36 Sample Mean = 24.2 minutes Sample Standard Deviation = 4.2 minutes
Compute the 90% confidence interval for the population mean refueling and baggage time.
(TCO C) The manufacturer of a certain brand of toothpaste claims that a high percentage of dentists recommend the use of their toothpaste. A random sample of 400 dentists results in 310 recommending their toothpaste.
Compute the 99% confidence interval for the population proportion of dentists who recommend the use of this toothpaste.
(TCO D) A Ford Motor Company quality improvement team believes that its recently implemented defect reduction program has reduced the proportion of paint defects. Prior to the implementation of the program, the proportion of paint defects was .03 and had been stationary for the past 6 months. Ford selects a random sample of 2,000 cars built after the implementation of the defect reduction program. There were 45 cars with paint defects in that sample. Does the sample data provide evidence to conclude that the proportion of paint defects is now less than .03 (with a = .01)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO D) A new car dealer calculates that the dealership must average more than 4.5% profit on sales of new cars. A random sample of 81 cars gives the following result.
Sample Size = 81 Sample Mean = 4.97% Sample Standard Deviation = 1.8%
Does the sample data provide evidence to conclude that the dealership averages more than 4.5% profit on sales of new cars (using a = .10)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO E) Bill McFarland is a real estate broker who specializes in selling farmland in a large western state. Because Bill advises many of his clients about pricing their land, he is interested in developing a pricing formula of some type. He feels he could increase his business significantly if he could accurately determine the value of a farmer’s land. A geologist tells Bill that the soil and rock characteristics in most of the area that Bill sells do not vary much. Thus the price of land should depend greatly on acreage. Bill selects a sample of 30 plots recently sold. The data is found below (in Minitab), where X=Acreage and Y=Price ($1,000s).
PRICE
ACREAGE
PREDICT
60
20.0
50
130
40.5
250
25
10.2
300
100.0
85
30.0
182
56.5
115
41.0
24
10.0
60
18.5
92
30.0
77
25.6
122
42.0
41
14.0
200
70.0
42
13.0
60
21.6
20
6.5
145
45.0
61
19.2
235
80.0
250
90.0
278
95.0
118
41.0
46
14.0
69
22.0
220
81.5
235
78.0
50
16.0
25
10.0
290
100.0
Correlations: PRICE, ACREAGE Pearson correlation of PRICE and ACREAGE = 0.997 P-Value = 0.000
Regression Analysis: PRICE versus ACREAGE The regression equation is PRICE = 2.26 + 2.89 ACREAGE
Predictor Coef SE Coef T P Constant 2.257 2.231 1.01 0.320 ACREAGE 2.89202 0.04353 66.44 0.000
S = 7.21461 R-Sq = 99.4% R-Sq(adj) = 99.3%
Analysis of Variance
Source DF SS MS F P Regression 1 229757 229757 4414.11 0.000 Residual Error 28 1457 52 Total 29 231215
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 146.86 1.37 (144.05, 149.66) (131.82, 161.90) 2 725.26 9.18 (706.46, 744.06) (701.35, 749.17)XX
XX denotes a point that is an extreme outlier in the predictors.
Values of Predictors for New Observations
New Obs ACREAGE 1 50 2 250
Analyze the above output to determine the regression equation.
(TCO E) An insurance firm wishes to study the relationship between driving experience (X1, in years), number of driving violations in the past three years (X2), and current monthly auto insurance premium (Y). A sample of 12 insured drivers is selected at random. The data is given below (in MINITAB):
Y
X1
X2
Predict X1
Predict X2
74
5
2
8
1
38
14
050
6
1
63
10
3
97
4
6
55
8
2
57
11
3
43
16
1
99
3
5
46
9
1
35
19
060
13
3
Regression Analysis: Y versus X1, X2 The regression equation is Y = 55.1 – 1.37 X1 + 8.05 X2
Predictor Coef SE Coef T P Constant 55.138 7.309 7.54 0.000 X1 -1.3736 0.4885 -2.81 0.020 X2 8.053 1.307 6.16 0.000
S = 6.07296 R-Sq = 93.1% R-Sq(adj) = 91.6%
Analysis of Variance
Source DF SS MS F P Regression 2 4490.3 2245.2 60.88 0.000 Residual Error 9 331.9 36.9 Total 11 4822.3
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 52.20 2.91 (45.62, 58.79) (36.97, 67.44)
Values of Predictors for New Observations
New Obs X1 X2 1 8.00 1.00
Correlations: Y, X1, X2 Y X1 X1 -0.800 0.002
X2 0.933 -0.660 0.000 0.020
Cell Contents: Pearson correlation P-Value
Analyze the above output to determine the multiple regression equation.
MATH 533 Final Exam Set 3
MATH 533 Final Exam Set 4
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MATH 533 ( Applied Managerial Statistics ) Entire Course
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(MATH 533 Applied Managerial Statistics – DeVry)
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(MATH 533 Week 8 Final Exam Answers)
MATH 533 ( Applied Managerial Statistics ) Final Exam Answers
MATH 533 Final Exam Set 1
(TCO D) PuttingPeople2Work has a growing business placing out-of-work MBAs. They claim they can place a client in a job in their field in less than 36 weeks. You are given the following data from a sample. Sample size: 100 Population standard deviation: 5 Sample mean: 34.2 Formulate a hypothesis test to evaluate the claim. (Points : 10) Ho: µ = 36; Ha: µ ≠ 36 Ho: µ ≥ 36; Ha: µ < 36 Ho: µ ≤ 34.2; Ha: µ > 34.2 Ho: µ > 36; Ha: µ ≤ 36
Ans. b. H0 must always have equal sign, < 36 weeks 2. (TCO B) The Republican party is interested in studying the number of republicans that might vote in a particular congressional district. Assume that the number of voters is binomially distributed by party affiliation (either republican or not republican). If 10 people show up at the polls, determine the following: Binomial distribution
10
n
0.5
p
X
P(X)
cumulative probability
0
0.00098
0.00098
1
0.00977
0.01074
2
0.04395
0.05469
3
0.11719
0.17188
4
0.20508
0.37695
5
0.24609
0.62305
6
0.20508
0.82813
7
0.11719
0.94531
8
0.04395
0.98926
9
0.00977
0.99902
10
0.00098
1.00000
What is the probability that no more than four will be republicans? (Points : 10) 38% 12% 21% 62%
Ans. a look at x=4, cumulative probability 3. (TCO A) Company ABC had sales per month as listed below. Using the Minitab output given, determine: (A) Range (5 points); (B) Median (5 points); and (C) The range of the data that would contain 68% of the results. (5 points). Raw data: sales/month (Millions of $) 23 45 34 34 56 67 54 34 45 56 23 19 Descriptive Statistics: Sales
Variable
Total Count
Mean
StDev
Variance
Minimum
Maximum
Range
Sales
12
40.83
15.39
236.88
19.00
67.00
48.00
Stem-and-Leaf Display: Sales Stem-and-leaf of Sales N = 12 Leaf Unit = 1.0
1
1
9
3
2
33
3
2
6
3
444
6
3
6
4
6
4
55
4
5
4
3
5
66
1
6
1
6
7
Reference: (TCO A) Company ABC had sales per month as listed below. Using the MegaStat output given, determine: (A) Range (5 points) (B) Median (5 points) (C) The range of the data that would contain 68% of the results. (5 points)
Raw data: sales/month (Millions of $) 19 34 23 34 56 45 35 36 46 47 19 23
count 12 mean 34.75 sample variance 146.20 sample standard deviation 12.09 minimum 19 maximum 56 range 37
Stem and Leaf plot for # 1 stem unit = 10 leaf unit = 1
count
12.00000
mean
34.75000
sample variance
146.20455
sample standard deviation
12.09151
minimum
19.00000
maximum
56.00000
range
37.00000
1st quartile
23.00000
median
34.50000
3rd quartile
45.25000
interquartile range
22.25000
mode
19.00000
4. (TCO C, D) Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 2 cm. The following data is from a test run from Chris Cross Manufacturing. Should Tesla select them as a vendor? Explain your answer. Descriptive statistics
count
16
mean
99.850
sample variance
4.627
sample standard deviation
2.151
minimum
96.9
maximum
104
range
7.1
population variance
4.338
population standard deviation
2.083
standard error of the mean
0.538
tolerance interval 95.45% lower
95.548
tolerance interval 95.45% upper
104.152
margin of error
4.302
1st quartile
98.850
median
99.200
3rd quartile
100.550
interquartile range
1.700
mode
103.000
(Points : 25) Reference: Chegg Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing.
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900
Question: Should Tesla select them as a vendor? Explain your answer.
Answers (1)
· Given that,
Tesla Motors needs to buy axles for their new car. They are considering using Chris Cross Manufacturing as a vendor. Tesla’s requirement is that 95% of the axles are 100 cm ± 5 cm. The following data is MegaStat output from a test run from Chris Cross Manufacturing:
Descriptive statistics count: 16 mean: 99.938 sample variance: 2.313 sample standard deviation: 1.521 minimum: 97 maximum: 102.9 range: 5.9 population variance: 2.169 population standard deviation: 1.473 standard error of the mean: 0.380 tollerance interval 95.45% lower: 96.896 tolerance interval 95.45% upper: 102.979 half-width: 3.042
1st quartile: 98.900 median: 99.850 3rd quartile: 100.475 interquartile range: 1.575 mode: 98.900 Now, we have to construct 95% confidence interval for the data from
the Chris Cross Manufacturing
(TCO D) A PC manufacturer claims that no more than 2% of their machines are defective. In a random sample of 100 machines, it is found that 4.5% are defective. The manufacturer claims this is a fluke of the sample. At a .02 level of significance, test the manufacturer’s claim, and explain your answer.
Test and CI for One Proportion
Test of p = 0.02 vs p > 0.02
Sample
X
N
Sample p
98% Lower Bound
Z-Value
P-Value
1
4
100
0.040000
0.000000
1.43
0.077
Reference:
Set up the hypotheses:
H0: p <= 0.02
Ha: p > 0.02
This is a one tailed test, since we will only reject for high proportions.
Since we are using a 0.02 level of significance (it’s just chance that the hypotheses happen to have the same value as this), we’ll reject the null hypothesis if our P Value is less than 0.02.
The computed P value from Megastat was 0.0371.
This is higher than the significance level.
Therefore, we do not reject H0:.
We can say that the proportion is still less than or equal to 2%, and this was a fluke.
Final Page 2
1. (TCO B) The following table gives the number of visits to recreational facilities by kind and geographical region. (Points : 30)
Ans.
East
South
Midwest
West
Totals
Local Park
55
328
29
52
464
National Park
233
514
204
251
1202
State Park
100
526
65
102
793
Totals
388
1368
298
405
2459
(A) Referring to the above table, if a visitor is chosen at random, what is the probability that he or she is either from the South or from the West? (15 points) (B) Referring to the above table, given that the visitor is from the Midwest, what is the probability that he or she visited a local park? (15 points)
a. Total people = 2459
South + West = 1368 + 405 = 1773
probability — divide these:
1773/2459 = approx 0.721
b.
Total Midwest = 298
Midwest local park = 29
Divide:
(TCO B, F) The length of time Americans exercise each week is normally distributed with a mean of 15.8 minutes and a standard deviation of 2.2 minutes
X
P(X≤x)
P(X≥x)
Mean
Std dev
11
.0146
.9854
15.8
2.2
15
.3581
.6419
15.8
2.2
21
.9910
.0090
15.8
2.2
24
.9999
.0001
15.8
2.2
p(lower)
p(upper)
(A) Analyze the output above to determine what percentage of Americans will exercise between 11 and 21 minutes per week. (15 points) (B) What percentage of Americans will exercise less than 15 minutes? If 1000 Americans were evaluated, how many would you expect to have exercised less than 15 minutes? (15 points) (Points : 30)
MATH 533 Final Exam Set 2
(TCO A) Seventeen salespeople reported the following number of sales calls completed last month.
72 93 82 81 82 97 102 107 119 86 88 91 83 93 73 100 102
Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, and Max for the above sample data on number of sales calls per month. b. In the context of this situation, interpret the Median, Q1, and Q3. (Points : 33)
(TCO B) Cedar Home Furnishings has collected data on their customers in terms of whether they reside in an urban location or a suburban location, as well as rating the customers as either “good,” “borderline,” or “poor.” The data is below.
Urban
Suburban
Total
Good
60
168
228
Borderline
36
72
108
Poor
24
40
64
Total
120
280
400
If you choose a customer at random, then find the probability that the customer
is considered “borderline.”
(TCO B) Historically, 70% of your customers at Rodale Emporium pay for their purchases using credit cards. In a sample of 20 customers, find the probability that
exactly 14 customers will pay for their purchases using credit cards.
(TCO C) An operations analyst from an airline company has been asked to develop a fairly accurate estimate of the mean refueling and baggage handling time at a foreign airport. A random sample of 36 refueling and baggage handling times yields the following results.
Sample Size = 36 Sample Mean = 24.2 minutes Sample Standard Deviation = 4.2 minutes
Compute the 90% confidence interval for the population mean refueling and baggage time.
(TCO C) The manufacturer of a certain brand of toothpaste claims that a high percentage of dentists recommend the use of their toothpaste. A random sample of 400 dentists results in 310 recommending their toothpaste.
Compute the 99% confidence interval for the population proportion of dentists who recommend the use of this toothpaste.
(TCO D) A Ford Motor Company quality improvement team believes that its recently implemented defect reduction program has reduced the proportion of paint defects. Prior to the implementation of the program, the proportion of paint defects was .03 and had been stationary for the past 6 months. Ford selects a random sample of 2,000 cars built after the implementation of the defect reduction program. There were 45 cars with paint defects in that sample. Does the sample data provide evidence to conclude that the proportion of paint defects is now less than .03 (with a = .01)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO D) A new car dealer calculates that the dealership must average more than 4.5% profit on sales of new cars. A random sample of 81 cars gives the following result.
Sample Size = 81 Sample Mean = 4.97% Sample Standard Deviation = 1.8%
Does the sample data provide evidence to conclude that the dealership averages more than 4.5% profit on sales of new cars (using a = .10)? Use the hypothesis testing procedure outlined below.
Formulate the null and alternative hypotheses.
(TCO E) Bill McFarland is a real estate broker who specializes in selling farmland in a large western state. Because Bill advises many of his clients about pricing their land, he is interested in developing a pricing formula of some type. He feels he could increase his business significantly if he could accurately determine the value of a farmer’s land. A geologist tells Bill that the soil and rock characteristics in most of the area that Bill sells do not vary much. Thus the price of land should depend greatly on acreage. Bill selects a sample of 30 plots recently sold. The data is found below (in Minitab), where X=Acreage and Y=Price ($1,000s).
PRICE
ACREAGE
PREDICT
60
20.0
50
130
40.5
250
25
10.2
300
100.0
85
30.0
182
56.5
115
41.0
24
10.0
60
18.5
92
30.0
77
25.6
122
42.0
41
14.0
200
70.0
42
13.0
60
21.6
20
6.5
145
45.0
61
19.2
235
80.0
250
90.0
278
95.0
118
41.0
46
14.0
69
22.0
220
81.5
235
78.0
50
16.0
25
10.0
290
100.0
Correlations: PRICE, ACREAGE Pearson correlation of PRICE and ACREAGE = 0.997 P-Value = 0.000
Regression Analysis: PRICE versus ACREAGE The regression equation is PRICE = 2.26 + 2.89 ACREAGE
Predictor Coef SE Coef T P Constant 2.257 2.231 1.01 0.320 ACREAGE 2.89202 0.04353 66.44 0.000
S = 7.21461 R-Sq = 99.4% R-Sq(adj) = 99.3%
Analysis of Variance
Source DF SS MS F P Regression 1 229757 229757 4414.11 0.000 Residual Error 28 1457 52 Total 29 231215
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 146.86 1.37 (144.05, 149.66) (131.82, 161.90) 2 725.26 9.18 (706.46, 744.06) (701.35, 749.17)XX
XX denotes a point that is an extreme outlier in the predictors.
Values of Predictors for New Observations
New Obs ACREAGE 1 50 2 250
Analyze the above output to determine the regression equation.
(TCO E) An insurance firm wishes to study the relationship between driving experience (X1, in years), number of driving violations in the past three years (X2), and current monthly auto insurance premium (Y). A sample of 12 insured drivers is selected at random. The data is given below (in MINITAB):
Y
X1
X2
Predict X1
Predict X2
74
5
2
8
1
38
14
050
6
1
63
10
3
97
4
6
55
8
2
57
11
3
43
16
1
99
3
5
46
9
1
35
19
060
13
3
Regression Analysis: Y versus X1, X2 The regression equation is Y = 55.1 – 1.37 X1 + 8.05 X2
Predictor Coef SE Coef T P Constant 55.138 7.309 7.54 0.000 X1 -1.3736 0.4885 -2.81 0.020 X2 8.053 1.307 6.16 0.000
S = 6.07296 R-Sq = 93.1% R-Sq(adj) = 91.6%
Analysis of Variance
Source DF SS MS F P Regression 2 4490.3 2245.2 60.88 0.000 Residual Error 9 331.9 36.9 Total 11 4822.3
Predicted Values for New Observations
New Obs Fit SE Fit 95% CI 95% PI 1 52.20 2.91 (45.62, 58.79) (36.97, 67.44)
Values of Predictors for New Observations
New Obs X1 X2 1 8.00 1.00
Correlations: Y, X1, X2 Y X1 X1 -0.800 0.002
X2 0.933 -0.660 0.000 0.020
Cell Contents: Pearson correlation P-Value
Analyze the above output to determine the multiple regression equation.
MATH 533 Final Exam Set 3
MATH 533 Final Exam Set 4
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CARD 405 Week 3 Assignment, Crafting Your Brand Message
1) Start by identifying your three most important strengths. In the context of your target job title (see examples below). Write a sentence about these three unique abilities and strengths
2) Add a sentence that connects your strength with an important opportunity in your industry. What benefit or value do you bring to an organization? Which challenge or pain point do you relieve? Write a sentence about the problem you solve.
3) Now, in one sentence, communicate your aspirations for your future. What exactly do you want to do? Be specific.
4) Finally, support all of this with your accomplishments; include the results you’ve produced. Share a statement or two about what makes you the best at what you do.
CARD 405 Week 3 Discussion 1,
Marketing Yourself
In Career Focus: A Personal Job Search Guide, Martucci Lamarre (2006) suggests that if we want to realize our job dreams, we need to think about ourselves as products to be marketed, and in order to do this, we need to contextualize ourselves within the five Ps of marketing: product, price, place, presentation, and promotion (p. 4). Please reflect and respond to the following questions taken from our textbook. What exactly is your product and how is it different from (or better than) other similar products?
Where will you sell your product?
Who are the potential buyers of the product and how does that price compare to similar products being offered?
How will you let others know about your product, and how will you develop its presentation to appropriate markets?
CARD 405 Week 3 Discussion 2,
Informational Interview
There are FIVE steps to the Informational Interview.
Step 1: Compile a list of individuals in your target career field whom you would like to interview. Try to identify people who are working at a company in which you are interested. This is a good opportunity to practice your networking skills. Let your classmates, friends, family members, and colleagues know that you need to complete an informational interview with someone in your intended career field. You’ll be amazed at how effective networking can be.
Step 2: Prepare a brief introduction of yourself and the purpose(s) of the informational interview. Prepare a list of open-ended questions that would be appropriate to ask during the informational interview. An Internet search using “informational interview” will provide you with many examples of questions you might want to use.
Step 3: Practice your interview with a classmate, friend, family member, or colleague and ask them to critique your performance. Identify ways to improve based on their feedback.
Step 4: Set up a day and time for the interview. Record the interviewee’s responses to your questions. Send a thank-you letter, note, or email to the interviewee within two business days of completing the interview.
Step 5: Complete the table below.
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Cuba – As a Volunteer for an Authentic Expedience
Out of Town Blog Cuba – As a Volunteer for an Authentic Expedience
Cuba – As a Volunteer for an Authentic Expedience
In mid-January, I flew from Tampa to Havana on a trip that would introduce me to a country that has been off limits for me (and most Americans) for most of my life. I participated in a one-week service program in Cuba with Global Volunteers, a non-profit, NGO based in Minneapolis.
View on block from my casa particular in Miramar, (suburb of Havana)
Along with 19 other volunteers ages 30-78, I spent a week on various work projects that included painting a fence at our base (The Cuban Council of Churches), spending time with seniors at a senior care center and working with students on English in an evening program. Another team did crocheting with a women’s group for part of the day.
Every afternoon we had a few hours of free time before working with students practicing English for about two hours. Later we all met for dinner, with our excellent team leader, Stephanie, at various locations. The trip was a combination of helping our host community and a wonderful cultural learning experience for a group of Americans, most of whom, had never been to Cuba.
Living the Locals
We stayed in Miramar, a nice residential suburb of Havana near many of the city’s foreign embassies. All 20 volunteers stayed in guest houses within three or four blocks of each other. We were two blocks from the water and near our base at the Council where we met each morning around 9:00.
The joy of staying in a suburb is that you have the opportunity to observe people going to work and school and regularly interact with the locals. Put simply, it is a more authentic experience than staying in a hotel. You feel like a part of the community, particularly since you are there to help in some small way.
Visiting and meeting with seniors at a seniors center in Havana
We walked throughout the area every day and night. I never felt nervous nor did we see anything that looked questionable. The only danger I encountered was the uneven sidewalks which like many of the buildings are in disrepair. Also in the evenings many streets did not have lights so we walked with caution and used flashlights when necessary.
Getting Connected
There is very little internet on the island. Missing connectivity, we asked our hosts about options. They told us there was an “Internet Park” about a twenty minute walk from my casa. There, they said, we could purchase a card from a mini mart or store, but we were told there are long lines and forms to fill out along with passport information. The alternative was to walk to a certain small park and connect with a young gentlemen and his pals who our hosts said would sell us a card for 5 Kooks (approx $5.00 ) for one hour of internet. The card provides a password and username.
My three new Global Volunteer friends and I decided to visit the park. It was trashed with empty beer cans and bottles and many young people on their phones sitting on the ground. There was a group of men standing around that looked like possibly our connection.
Street Photography in Cuba
We approached the young men, and they immediately offered each of us an internet card. With our $5. purchase complete we took a photo together with the “sellers” and then enjoyed the internet for about 30 minutes. (We kept the card for another day’s use.) Mission accomplished. As we walked back to our work site I wondered, would I even consider walking up to a stranger in, let’s say, Central Park or Chicago and purchasing an “off the grid” card with the hope it worked? And then take a photo with them? Probably not.
Night out – Havana
Music, Art and Entertainment
If you choose to stay the weekend, you have the option of adding on the weekend package of people-to-people activities. Or you can make your own plans for the weekend. The Global Volunteers program includes a tour of the Ernest Hemingway House, art galleries, Old Havana and a morning lecture from two local
professionals who discuss history, education and some politics. All and all it’s a great value that includes meals and accommodations.
My favorite weekend activity was the excellent quality live music everywhere day or night. Street entertainers, restaurants and bars and coffee shops all have talented solo or group performers. Artwork is plentiful and there is a wide variety of architecture including colonial, Spanish, Art Deco and contemporary.
Entrepreneurial Spirit
My students on two evenings were a young couple in their early 20s. Allen is an independent contractor at a tour company and is eager to learn English so he can better communicate with visitors. His wife Daniella takes care of the home. She knew some English and is eager to help him. We review his tour prices, look at what’s included and add some language to make the tours more appealing. We go over phrases such as, “Welcome to Havana, my name is Allen and I would love to show you my country. What is your name?
Selling onions :potatoes in the neighborhood
After some competitive analysis, we determine that he is competing with the fancy old American cars that all the tourists seem to love. Their hourly rate is $50 per hour. We work on an appropriate response. “Yes, those old American cars are beautiful, however, instead of $50 per hour you might want to consider my van at only $15 per hour.” Allen masters three or four sentences that we work on intensely for two nights. They are sure to enhance his business opportunities.
It’s a pleasure to see a 23-year-old happily married, entrepreneur with such enthusiasm and eagerness to succeed. When we finished the second night, he looked at me and said “God Bless you and thank you.” I was beginning to see how individuals can make a small but significant impact in a short time and, more importantly, understand these very warm and welcoming people.
Street Vendors in Havana
In addition there are people who are operating and creating small businesses out of their homes or garages that are serving meals, coffee/beer and other small businesses like repair shops and such. Homes are renting out rooms to visitors for additional income. This is all new and Cubans seem very happy with new opportunities.
Yes, the streets, sidewalks and many buildings are in disrepair, run down and there is much need for improved infrastructure, painting, plumbing, electrical etc. Litter is an issue in some neighborhoods. For many, work is hard to find and salaries are low. Supplies of every kind are limited. Many of the local grocery store shelves are sparsely stocked.
Looking Ahead
The refreshing thing is you sense the change that is coming. In a lively conversation with one of our casa owners, she described it like this. “It started like the snowball on top of the mountain, it’s rolling down and getting bigger and bigger and you cannot stop it.”
Walk in our neighborhood – Miramar
Tourists from all over world have been visiting Havana for years and now there are many American visitors. In Havana we saw a cruise ship, red double-decker tour buses and souvenir shops. Colorful flora and fauna are everywhere and a walk along the Malecon — a walkway along the sea wall — is the perfect place to people watch.
The city of three million is bursting with activity and a colorful history that people want to experience. It’s old, it’s new, it’s Spanish, European, modern, young and fun!
I only saw a small part of Cuba on this trip. But I’m sure I’ll return again to visit Varadero, Santiago de Cuba, Trinidad and other places on this fascinating island.
Also Read:
How to Take Good Travel Photographs
Culture, Youth, Society and Sustainable Tourism
Cuba – As a Volunteer for an Authentic Expedience Lynn Lotkowictz
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Car Rental Reservationist
Virtual Desk Jobs is seeking Car Rental Reservationists for our Contact Center?s Customer Service team! Our Customer Service Representatives answer general questions, research reservations and billing, troubleshoot and resolve a variety of customer concerns, and address complaints, all while providing the highest level of service for which we?re known and our customers expect! If you? Can utilize effective problem-solving techniques to resolve customer needs with confidence and empathy Value teamwork and personal honesty and integrity Can navigate across multiple computer systems and program applications Enjoy analyzing and resolving a variety of complex issues Then this may be that outstanding opportunity you?ve been searching for! Customer service is our way of life! Our goal is to exceed our customer?s expectations and that starts with YOU! One customer, one call; one delivered promise at a time. We work hard and reward hard work! In addition to $12.85/hour, you will have the opportunity to earn bonuses based on both individual and team performance. Top performing individuals earn an additional $600/month, while top performing teams can earn up to an additional $2 more per hour, for every hour worked, during each month! Schedule Requirements: To best serve the needs of our customers, our Customer Service team is available until 10:00 pm CST offering full-time schedules with start times between 11 am ? 1:30 pm. Schedules include working weekends and do not change week-to-week. Once a schedule is assigned it is not negotiable upon completion of training. Responsibilities Handle multiple tasks, such as, talking with and listening to customers while accessing, reading, and inputting information into numerous applications Handle incoming calls, efficiently resolving a variety of customer service inquiries Utilize problem-solving skills to efficiently answer customer requests Maintain, at a minimum, target levels of productivity and performance Locate and interpret complex information from a number of databases Maintain a courteous and pleasant demeanor while speaking with external and internal customers Adapt to the need of individual callers Accept repetitive work tasks while providing excellent service to customers Provide timely and accurate information reflecting a customer-oriented image for the company Seek to improve job performance through self-assessment, skill development, training and goal setting Maintain a regular and reliable level of attendance and punctuality Perform miscellaneous job-related duties as assigned Qualifications Minimum 2 years of customer service experience focused on resolving customer concerns and handling difficult conversations Experience in a performance-based or metric-driven environment Call center experience preferred Experience handling help desk or escalated situations requiring problem resolution preferred Work-related experience working on a personal computer (PC), navigating through multiple computer systems and screens Permanent residence with a defined working space that is clean and quiet Ability to participate and complete mandatory training for 6 weeks, M-F, 9-5:30pm CST Ability to complete I-9 work authorization paperwork in person Must be willing to work a full-time schedule (40 hours/week), with start times between 11am-1pm (Central Time Zone), including both weekends days (Saturday & Sunday) Must be willing to accept a starting pay of $12.85/hour Must be authorized to work in the United States and not require work authorization sponsorship by our company for this position now or in the future Must be at least 18 years old Technical Qualifications: Must have a computer/PC (No MACs) with compatible OS versions: Windows 7, 8, 8.1, or Windows 10 Must have a computer USB headset with microphone Must have a separate modem Must have a router with gigabit speed connection via Ethernet cable Must have high-speed internet access provided by a cable or fiber provider (no DSL, satellite or wireless) Minimum upload speed of 2 mbps Minimum download speed of 5 mbps Use of wireless and WiFi ?air cards? is prohibited *Applicants must meet all technical qualifications at the time of application. Qualified candidates must also possess the following: Exceptional communication both verbal and written; a good telephone voice, proper English usage, and the ability to ?project? oneself over the phone are necessary Must be dependable and comfortable working independently as well as part of a team where expertise is shared and feedback is welcomed Advanced personal computing and keyboard skills Ability to rely on provided resources and quickly research responses Strong time management, organizational and problem-solving skills Strong computer navigation skills and ability to toggle between different computer screens and programs Ability to apply experience-based knowledge and leadership skills toward organizational goals Strong sense of initiative and ability to stay optimistic while working with difficult customers *You will be shipped a headset and key fob to the address provided on your application. Equipment may arrive separately. ? *We reserves the right to verify that your PC meets or exceeds these requirements. Apply To Become A Customer Service Agent: https://virtualdeskjobs.com/join-now/- Please reference agent ID code VDJGiovanieM. Please contact us directly to discuss customer service remote job openings at 405-494-0214. CarRentalReservationist from Job Portal https://www.jobisite.com/extrJobView.htm?id=411276
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Getting Massive Legs Shouldn’t Be Hard Using These Methods!
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Muscular Development talks about Chris Bumstead. He is a 21-year-old Canadian kid who knows how to do his thing. He won his IFBB pro card by taking the heavyweight division at last year’s North American Championship.
He got into weight lifting at age 14 in the ninth grade. Most guys wanted to do more just so they could show off their guns to teenage girls. Bumstead was way different than your average high school kid. He wanted to get bigger and more powerful legs so he can perform well in sports like baseball, football and hockey. He would do a lot of moves like squats, leg presses, lunges, leg extensions and leg curls at least twice a week. It shows that he’s not the typical student at all.
Chris said that he was always trying to make himself stronger at every workout and he would even do sets in a four-five rep range. Because he was so focused on improving power, he was doing sets of squats by 315 and in his senior year, he was handling 405. His bodyweight even increased from 170 to 225 over four years. Take a look at his journey here:
The Route to Massive Legs
Canada’s Chris Bumstead won his IFBB pro card by taking the heavyweight division at last year’s North American Championships. Then later in that year he contested the Classic Physique division at the Dayana Cadeau Pro taking third with Terrence Ruffin in second and Darrem Charles first. Read more…
Muscle and Fitness talk about the important ways to get bigger legs. There are five, and you need to live by them in order to see results. These will allow you to maximize your leg training results when you follow the leg training principles and plan. Eventually, you’ll be able to build strong and muscular legs.
You don’t have to do the heavy leg extensions and curls for this one. It’s way better to do functional movements. That’s because doing heavy weights on machine-based exercises can lead to issues in your structure like patellar tendonitis and even muscle imbalances. It will totally hinder with your goals.
On the other hand, squats and dead lifts can help you with your leg routine. These should serve as the foundation of your leg training. Keep in mind though, you have to focus on proper technique to see excellent results.
5 Keys To Bigger Legs
Skip the heavy leg extensions and leg curls, our bodies weren’t designed to flex and extend our knees while in hip flexion (seated position). Doing heavy weights on these machine-based exercises can cause both structural issues such as patellar tendonitis as well as muscular imbalances, either of which will set you back weeks from your goals. Read more…
T-Nation discusses the workouts in order to build bigger legs. This time, you have to put your legs as the priority. Put away your tight shirts and focus on your lower body. Guys at the gym often lose focus of what they’re supposed to do with their body.
They tend to revere their upper body more than their lower extremities. This leads to a total imbalance in the structure. There are even cases when it gets really obvious that you’ve been neglecting your legs.
It’s 2017 guys, make some changes to your routine. Do some leg work. We all know what the biceps and triceps madness are for. You’re working them full max to get to the ladies. But you’re completely missing the point. Check out the complete guide for building huge legs for performance and motivation:
4 Weeks To Bigger Legs
For the next four weeks let’s put away the sleeveless shirts and give your beloved upper body a break. Cuz’ you’ve got bigger priorities, friend. At least, you should have. See those two pale, sickly looking tent-poles poking out from the bottom of your shorts? Those are your legs, and it’s painfully obvious to everyone that you’ve been ignoring them. Read more…
Take a look at Strength Camp’s Best Exercise For Building Massive Legs:
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Cytosport’s Cyto Gainer will help you further with your goals when it comes to gaining more mass in your lower extremities. If you’re still having trouble adding size to that area, don’t despair. This drink is the answer to your problems!
This was created to specifically provide nutrients that the body needs in order to refuel your muscles. Workout sessions in the gym can get super intense. If it’s your leg day, it gets even harder. That’s why you need this drink to back you up. Combining this one with a good training strategy can give you the opportunity to finally reach your leg goals.
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from Cytosport Reviews http://medicago.org/build-muscle/getting-massive-legs/amp/
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