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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
12 Nov 2021

Given information

The sample size is 100. The sample mean and sample standard deviation is 23.6 and 7 hours respectively. The population is normally distributed.

Step-by-step explanation

Step 1.

Since, the population is normally distributed, the sample standard deviation serves as a point estimate for the population standard deviation.

Therefore, it follows:

 

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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