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Find a 90 percent confidence interval

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Reference no: EM132907188

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

20 14 23 22 22 15 21 18

23 17 14 25 15 21 20 14

Find a 90 percent confidence interval for μ, 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: EM132907188

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