STATISTICAL TECHNIQUES FOR BUSINESS AND
STATISTICAL TECHNIQUES FOR BUSINESS AND
17th Edition
ISBN: 9781307261158
Author: Lind
Publisher: MCG/CREATE
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Chapter 8, Problem 18E

a.

To determine

Find the standard error of the mean.

b.

To determine

Find the likelihood the sample mean is greater than 320 minutes.

c.

To determine

Find the likelihood the sample mean is between 320 and 350 minutes.

d.

To determine

Find the likelihood the sample mean is greater than 350 minutes.

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