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The floor manager of a retail stores claims that on an average 100 women customers visit the store in a day. In order to test the marutachurers claim, a random sample of 50 days data of women customers of the retail stores showed an average of 80 women customers with a standard deviation of 5 women customers. (a) Test the manager's claim at 5% level of significance. (b) Obtain 90% confidence interval for the true average women customers visiting the stores.

The floor manager of a retail stores claims that on an average 100 women customers visit the store in a day. In order to test the marutachurers claim, a random sample of 50 days data of women customers of the retail stores showed an average of 80 women customers with a standard deviation of 5 women customers. (a) Test the manager's claim at 5% level of significance. (b) Obtain 90% confidence interval for the true average women customers visiting the stores.

MATLAB: An Introduction with Applications
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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The floor manager of a retail stores claims that on an average 100 women customers visit the store in a day. In order to test the marutachurers claim, a random sample of 50 days data of women customers of the retail stores showed an average of 80 women customers with a standard deviation of 5 women customers. (a) Test the manager's claim at 5% level of significance. (b) Obtain 90% confidence interval for the true average women customers visiting the stores.
Transcribed Image Text:The floor manager of a retail stores claims that on an average 100 women customers visit the store in a day. In order to test the marutachurers claim, a random sample of 50 days data of women customers of the retail stores showed an average of 80 women customers with a standard deviation of 5 women customers. (a) Test the manager's claim at 5% level of significance. (b) Obtain 90% confidence interval for the true average women customers visiting the stores.
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