Find a 90 percent confidence interval for µ

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Reference no: EM132461574

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

20 27 24 23 19 21 18 17

22 15 18 32 16 20 19 19

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Find a 90 percent confidence interval forμ, 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 ___ to __

Reference no: EM132461574

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