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A department store accepts only its own credit card. Among 56 randomly selected card holders, it was found that the mean amount owed was $ 185.37. Use a a=0.05 level of significance to test the department store's claim that the mean amount owed by all card holders is greater than $180. Assume the population standard deviation is known to be o $80.77 =

A department store accepts only its own credit card. Among 56 randomly selected card holders, it was found that the mean amount owed was $ 185.37. Use a a=0.05 level of significance to test the department store's claim that the mean amount owed by all card holders is greater than $180. Assume the population standard deviation is known to be o $80.77 =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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G Use the following information to answer Q24 - Q26. A department store accepts only its own credit card. Among 56 randomly selected card holders, it was found that the mean amount owed was $185.37. Use a a=0.05 level of significance to test the department store's claim that the mean amount owed by all card holders is greater than $180. Assume the population standard deviation is known to be o = $80.77 In this case, the alternate hypothesis is O Ha: ≥ $180 O Ha: < $180 O Ha: μ = $180 O Ha: μ> $180 65
Transcribed Image Text:G Use the following information to answer Q24 - Q26. A department store accepts only its own credit card. Among 56 randomly selected card holders, it was found that the mean amount owed was $185.37. Use a a=0.05 level of significance to test the department store's claim that the mean amount owed by all card holders is greater than $180. Assume the population standard deviation is known to be o = $80.77 In this case, the alternate hypothesis is O Ha: ≥ $180 O Ha: < $180 O Ha: μ = $180 O Ha: μ> $180 65
G Use the following information to answer Q24 - Q26. A department store accepts only its own credit card. Among 56 randomly selected card holders, it was found that the mean amount owed was $185.37. Use a a=0.05 level of significance to test the department store's claim that the mean amount owed by all card holders is greater than $180. Assume the population standard deviation is known to be o = $80.77 In this case, the alternate hypothesis is O Ha: ≥ $180 O Ha: < $180 O Ha: μ = $180 O Ha: μ> $180 65
Transcribed Image Text:G Use the following information to answer Q24 - Q26. A department store accepts only its own credit card. Among 56 randomly selected card holders, it was found that the mean amount owed was $185.37. Use a a=0.05 level of significance to test the department store's claim that the mean amount owed by all card holders is greater than $180. Assume the population standard deviation is known to be o = $80.77 In this case, the alternate hypothesis is O Ha: ≥ $180 O Ha: < $180 O Ha: μ = $180 O Ha: μ> $180 65
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