An HR administrator wishes to know the proportion of employees that are currently using a very costly benefit to determine if it is still considered valuable by the staff. If the administrator has no preliminary notion of the proportion of employees using the benefit, how big a sample must she collect to be accurate within 0.13 at the 95% level o confidence?
An HR administrator wishes to know the proportion of employees that are currently using a very costly benefit to determine if it is still considered valuable by the staff. If the administrator has no preliminary notion of the proportion of employees using the benefit, how big a sample must she collect to be accurate within 0.13 at the 95% level o confidence?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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Transcribed Image Text:An HR administrator wishes to know the proportion of employees that are currently
using a very costly benefit to determine if it is still considered valuable by the staff. If
the administrator has no preliminary notion of the proportion of employees using the
benefit, how big a sample must she collect to be accurate within 0.13 at the 95% level of
confidence?
Standard Normal Distribution Table
Round up to the next whole number
L
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