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14 Nov 2021

Given information

Given that, the average length of maternity stay in a U.S. hospital is said to be 2.4 days with a standard deviation of 0.9 days. We randomly survey 80 women who recently bore children in a U.S. hospital. 

Then we have to find the distribution of .

Step-by-step explanation

Step 1.

According to the given information we have, and 

Then 

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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