GUse the following information to answer Q24 - Q26.A department store accepts only its own credit card. Among 56 randomly selected cardholders, it was found that the mean amount owed was $185.37. Use a a=0.05 level ofsignificance to test the department store's claim that the mean amount owed by all cardholders is greater than $180. Assume the population standard deviation is known to be o =$80.77In this case, the alternate hypothesis isO Ha: ≥ $180O Ha: < $180O Ha: μ = $180O Ha: μ> $18065 GUse the following information to answer Q24 - Q26.A department store accepts only its own credit card. Among 56 randomly selected cardholders, it was found that the mean amount owed was $185.37. Use a a=0.05 level ofsignificance to test the department store's claim that the mean amount owed by all cardholders is greater than $180. Assume the population standard deviation is known to be o =$80.77In this case, the alternate hypothesis isO Ha: ≥ $180O Ha: < $180O Ha: μ = $180O Ha: μ> $18065

Solution:- from given information random sample n=56 mean = 185.37 standard deviation = 80.77 the…

Answered: A department store accepts only its own…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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