Joe Jobs is a VP of a very large international company. Joe wants to estimate the mean age of thecustomers that purchase products from the company. He plans to use a sample of customers toestimate the mean and wants to be 95% confident that the maximum error in his estimate is oneyear. From a previous survey, he is able to determine that the standard deviation of ages is 6.Calculate the sample size Joe needs in order to estimate the mean age of the customers given theabove parameters

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
Question

Joe Jobs is a VP of a very large international company. Joe wants to estimate the mean age of the
customers that purchase products from the company. He plans to use a sample of customers to
estimate the mean and wants to be 95% confident that the maximum error in his estimate is one
year. From a previous survey, he is able to determine that the standard deviation of ages is 6.
Calculate the sample size Joe needs in order to estimate the mean age of the customers given the
above parameters

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