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timate the mean age of movie patrons such that it can be said with 90% confidence that the sample mean is within 1 year
timate the mean age of movie patrons such that it can be said with 90% confidence that the sample mean is within 1 year of the population mean. Assume that a=19.5 years, based on a previous report. Should the sample be obtained from one movie at one theater? The required sample size is (Round up to the nearest integer.)
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Quantitative Methods For Business Management And Finance
Authors: Louise Swift, Sally Piff
2nd Edition
1403935289, 9781403935281
