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11 Nov 2021

Given information

Given:

The committee randomly surveyed  people who recently served as jurors. The sample mean wait time was eight hours with a sample standard deviation of four hours.

  

  

  

Step-by-step explanation

Step 1.

The average waiting time in this sample is  

                

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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