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Suppose that 100 tires made by a certain manufacturer lasted on the average 21,819 km with a standard deviation of 1,295 km. The company wants to test the null hypothesis µ = 22,000 km against the alternative hypothesis u < 22,000 km at the 0.05 level of significance. 1) Formulate H0 and H1 and specify a 2) Using the text statistic, Determine the rejection region, knowing that Za= 1.645. 3) Determine the value of the test statistic from the sample data.

Suppose that 100 tires made by a certain manufacturer lasted on the average 21,819 km with a standard deviation of 1,295 km. The company wants to test the null hypothesis µ = 22,000 km against the alternative hypothesis u < 22,000 km at the 0.05 level of significance. 1) Formulate H0 and H1 and specify a 2) Using the text statistic, Determine the rejection region, knowing that Za= 1.645. 3) Determine the value of the test statistic from the sample data.

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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Suppose that 100 tires made by a certain manufacturer lasted on the average 21,819 km with a standard deviation of 1,295 km. The company wants to test the null hypothesis µ = 22,000 km against the alternative hypothesis u < 22,000 km at the 0.05 level of significance. 1) Formulate H0 and H1 and specify a 2) Using the text statistic, Determine the rejection region, knowing that Za= 1.645. 3) Determine the value of the test statistic from the sample data.
Transcribed Image Text:Suppose that 100 tires made by a certain manufacturer lasted on the average 21,819 km with a standard deviation of 1,295 km. The company wants to test the null hypothesis µ = 22,000 km against the alternative hypothesis u < 22,000 km at the 0.05 level of significance. 1) Formulate H0 and H1 and specify a 2) Using the text statistic, Determine the rejection region, knowing that Za= 1.645. 3) Determine the value of the test statistic from the sample data.
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