Find the sample size needed to estimate the mean age of movie patrons such that it can be said with 98% confidence that the sample mean is within 3 years of the population mean. Assume that σ=19.7 years, based on a previous report. Could the sample be obtained from one movie at one theater?
Find the sample size needed to estimate the mean age of movie patrons such that it can be said with 98% confidence that the sample mean is within 3 years of the population mean. Assume that σ=19.7 years, based on a previous report. Could the sample be obtained from one movie at one theater?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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