In order to estimated the annual cost of full-time employees absences due to child care issues, a large multi-state company is trying to estimate the number of absences full-time employees take per year. Based on earlier studies, they assumed that s= 2.1 days. %3D a) How large a sample must be selected if the company wants to be 90% confident that their estimate is within 1 day of the true mean?
In order to estimated the annual cost of full-time employees absences due to child care issues, a large multi-state company is trying to estimate the number of absences full-time employees take per year. Based on earlier studies, they assumed that s= 2.1 days. %3D a) How large a sample must be selected if the company wants to be 90% confident that their estimate is within 1 day of the true mean?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:In order to estimated the annual cost of full-time employees absences due to child care issues,
a large multi-state company is trying to estimate the number of absences full-time employees
take per year. Based on earlier studies, they assumed that s= 2.1 days.
%3D
a) How large a sample must be selected if the company wants to be 90% confident that their
estimate is within 1 day of the true mean?
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