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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Expert Solution
Step 1

The provided information are:

Statistics homework question answer, step 1, image 1

Step 2

(a)

The null and alternative hypotheses are:

Statistics homework question answer, step 2, image 1

Step 3

(b)

Here, the population standard deviation is known, so the appropriate test is z-test

The test statistic can be calculated as:

Statistics homework question answer, step 3, image 1

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