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A random sample of 16 pharmacy customers showed the waiting times below(in minutes) 15 19 16 18 10 20 19 13 22 9 19 22

A random sample of 16 pharmacy customers showed the waiting times below(in minutes) 15 19 16 18 10 20 19 13 22 9 19 22 18 20 24 19 Find a 90% confidence interval for U. Assuming that the sample is from a normal population(round your standard deviation answer to 4 decimal places and t-value to 3 decimal places. Round your answers to 3 decimal places)

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