Mathematics
Mathematics, 19.03.2021 18:40, allimaycatp8qgaq

A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 22 14 25 15 19 15 17 21 15 16 23 16 29 21 22 21

Required:
a. Find a 90 percent confidence interval for μ, assuming that the sample is from a normal population.
b. The 90% confidence interval to

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