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A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 16,21,20,24,17,11,13,20,19,18,16,24,21,21,20,16 Find a 90 percent confidence interval for , assuming that

A random sample of 16 pharmacy customers showed the waiting times below (in minutes).

16,21,20,24,17,11,13,20,19,18,16,24,21,21,20,16

Find a 90 percent confidence interval for, 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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