A Study Conducted by the Doctors of a Particular Hospital $\mu$

question 30

Essay

A study conducted by the doctors of a particular hospital involved monitoring a random sample of 75 patients. The results showed that it took an average of 3 cc of tranquillizer, with a standard deviation of 0.2 cc, to put a patient to sleep before surgery. Construct a 95% confidence interval for $\mu$ , the true mean amount of tranquillizer needed to put any patient to sleep.

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