Mathematics, 23.05.2021 02:30 mikaelalcool49

PLEASE HELP! In a film study, a sample of 300 movies was found to have an average runtime of 116 minutes with a standard deviation of 15 minutes. What is the margin of error for any sample of movie runtimes with 90% confidence (z=1.64)?

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PLEASE HELP! In a film study, a sample of 300 movies was found to have an average runtime of 116 min...

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