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A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 18232015242225172611192523172122 Click here for the Excel Data File Find a 90

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

18232015242225172611192523172122

Click here for the Excel Data File

Find a 90 percent confidence interval for, assuming that the sample is from a normal population

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