1) The total sleep time per night among college students was approximately Normally distributed with mean 6 7 hours and standard deviation 1 5 hours You plan to take an SRS of size n 225 and compute the average total sleep time (10p) a What is the standard deviation for the average time b What is t...

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1) The total sleep time per night among college students was approximately Normally distributed with mean =...

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1) The total sleep time per night among college students was approximately Normally distributed with mean µ= 6.7 hours and standard deviation σ= 1.5 hours. You plan to take an SRS of size n= 225 and compute the average total sleep time. (10p)

a. What is the standard deviation for the average time?

b. What is the probability that your average will be below 6.9 hours?

Related Book For answer-question

Introductory Statistics

ISBN: 978-0470904107

8th edition

Authors: Prem S. Mann

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Posted Date: Oct 31, 2022 07:50 AM

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1) The total sleep time per night among college students was approximately Normally distributed with mean =...

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