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11 Nov 2021

Given information

Given:

 

Step-by-step explanation

Step 1.
In general cases we consider level of significance to be and the sample standard deviation is used for population of s.d.So we will use the critical  values and sample size
 
 
 

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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