Find the sample size needed to estimate the mean age of movie patrons, given that we want
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Find the sample size needed to estimate the mean age of movie patrons, given that we want 98% confidence that the sample mean is within 1.5 years of the population mean. Assume that σ = 19.6 years, based on a previous report from the Motion Picture Association of America. Could the sample be obtained from one movie at one theater?
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The sample should not be obtained from 15 one mov...View the full answer
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