Find the sample size needed to estimate the mean age of movie patrons such that it can be said with 90 confidence that the

Question

Find the sample size needed to estimate 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 o 19 5 years based on a previous report Should the sample be obtained from one movie at one theater The required sample size is 1029 Round up to the nearest integer Should the sample be obtained from one movie at one theater SCIEBE OA The sample should not be obtained from one movie at one theater because that sample could be easily biased Instead a stratified sample of the broader population should be obtained OB The sample should not be obtained from one movie at one theater because that sample could be easily biased Instead a simple random sample of the broader population should be obtained OC The sample should be obtained from one movie at one theater because that sample is representative of the population OD The sample should not be obtained from one movie at one theater because that sample could be easily biased Instead a cluster sample of the broader population should be obtained

Kunduz · Accepted Answer

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