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e the following information to answer Q30 - Q32 tudy of 25 long distance phone calls from the office of a certain company reveals that the an length of time per call was 16.5 minutes with standard deviation 6.0 minutes. At a = 5 significance level, test the company's claim that the average time spent on long distance s from the office is less than 15.0 minutes. mis case, the alternate hypothesis is Ha:μ > 15.0 Ha: 215.0 Haif = 15.0 Ha: <15.0

e the following information to answer Q30 - Q32 tudy of 25 long distance phone calls from the office of a certain company reveals that the an length of time per call was 16.5 minutes with standard deviation 6.0 minutes. At a = 5 significance level, test the company's claim that the average time spent on long distance s from the office is less than 15.0 minutes. mis case, the alternate hypothesis is Ha:μ > 15.0 Ha: 215.0 Haif = 15.0 Ha: <15.0

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Use the following information to answer Q30 - Q32 A study of 25 long distance phone calls from the office of a certain company reveals that the mean length of time per call was 16.5 minutes with standard deviation 6.0 minutes. At a = 0.05 significance level, test the company's claim that the average time spent on long distance calls from the office is less than 15.0 minutes. In this case, the alternate hypothesis is O Ha: 15.0 Ο Η : μ ≥ 15.0 O Ha: μ = 15.0 Ο Ha:μ <15.0 3 pts >
Transcribed Image Text:Use the following information to answer Q30 - Q32 A study of 25 long distance phone calls from the office of a certain company reveals that the mean length of time per call was 16.5 minutes with standard deviation 6.0 minutes. At a = 0.05 significance level, test the company's claim that the average time spent on long distance calls from the office is less than 15.0 minutes. In this case, the alternate hypothesis is O Ha: 15.0 Ο Η : μ ≥ 15.0 O Ha: μ = 15.0 Ο Ha:μ <15.0 3 pts >
Use the following information to answer Q30 - Q32 A study of 25 long distance phone calls from the office of a certain company reveals that the mean length of time per call was 16.5 minutes with standard deviation 6.0 minutes. At a = 0.05 significance level, test the company's claim that the average time spent on long distance calls from the office is less than 15.0 minutes. In this case, the alternate hypothesis is O Ha: 15.0 Ο Η : μ ≥ 15.0 O Ha: μ = 15.0 Ο Ha:μ <15.0 3 pts >
Transcribed Image Text:Use the following information to answer Q30 - Q32 A study of 25 long distance phone calls from the office of a certain company reveals that the mean length of time per call was 16.5 minutes with standard deviation 6.0 minutes. At a = 0.05 significance level, test the company's claim that the average time spent on long distance calls from the office is less than 15.0 minutes. In this case, the alternate hypothesis is O Ha: 15.0 Ο Η : μ ≥ 15.0 O Ha: μ = 15.0 Ο Ha:μ <15.0 3 pts >
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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
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