Confidence interval of the mean number of er patients

Reference no: EM1397035

A random sample of 45 days taken at a large hospital shows that an average of 37 patients were treated in the emergency room (ER) per day. The standard deviation of the population is 4. a. Find the 95% confidence interval of the mean number of ER patients treated each day at the hospital.

Reference no: EM1397035

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