Mathematics, 10.12.2019 04:31 weirdojuwin

Ahospital emergency room has collected a sample of n = 55 to estimate the mean number of visits per day. it has found the standard deviation is 15. using a 95 percent confidence level, what is its margin of error?

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Ahospital emergency room has collected a sample of n = 55 to estimate the mean number of visits per...