Estimating the mean length of time

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Reference no: EM1318397

A physician wanted to estimate the mean length of time µ that a patient had to wait to see him after arriving at the office. A random sample of 50 patients showed a mean waiting time of 23.4 minutes and a standard deviation of 7.1 minutes. Find a 95% confidence interval for µ.

Reference no: EM1318397

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