Find the 95 confidence interval of the mean number of er, Ask an Expert

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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.

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Category:- Statistics and Probability
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