A survey of 30 emergency room patients found that the average waiting time for treatment was 174.3 minutes. Assuming that the population standard deviation is 46.5 minutes. Find the best point estimate of the population mean.
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A survey of 30 emergency room patients found that the average waiting time for treatment was 170.2 minutes. Assuming that the population standard deviation is 46.5 minutes. Find the best point estimate of the population mean. Construct and interpret the 99% confidence interval of the average waiting time for emergency room patients.
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