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A store manager wishes to estimate at 95% confidence, the mean amount spent by all customers in store. From an earlier study, she knows that the standard deviation of amounts spent by customers store is $26. How large a sample is required so that the estimate is within $2 of the population me

A store manager wishes to estimate at 95% confidence, the mean amount spent by all customers in store. From an earlier study, she knows that the standard deviation of amounts spent by customers store is $26. How large a sample is required so that the estimate is within $2 of the population me

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A store manager wishes to estimate at 95% confidence, the mean amount spent by all customers in her store. From an earlier study, she knows that the standard deviation of amounts spent by customers at this store is $26. How large a sample is required so that the estimate is within $2 of the population mean?
Transcribed Image Text:A store manager wishes to estimate at 95% confidence, the mean amount spent by all customers in her store. From an earlier study, she knows that the standard deviation of amounts spent by customers at this store is $26. How large a sample is required so that the estimate is within $2 of the population mean?
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