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A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 20 17 20 17 21 16 18 24 20 13 12

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

20	17	20	17	21	16	18	24
20	13	12	20	27	17	15	17

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.)

The 90% confidence interval from

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