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

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

27311722221810151920231813222714 

 Click here for the Excel Data File

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   

data27311722221810151920231813222714 meansdnt(a/2,n-1) 19.8755.5842039122161.7530503557 90% CImean +- t(a/2,n-1)*(sd/sqrt(n))lower=19.875-(1.75305*5.5842/SQRT(16))upper…