Mathematics
Mathematics, 02.10.2019 19:30, macyfrakes

Fred is constructing a 95% confidence interval to estimate the average length (in minutes) of movies he watches. his random sample of 15 movies averaged 114 minutes long with a standard deviation of 11 minutes. what critical value and standard error of the mean should he use?

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Fred is constructing a 95% confidence interval to estimate the average length (in minutes) of movies...

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