MathStatisticsQ&A LibraryA random sample of 16 pharmacy customers showed the waiting times below (in minutes) 22 19 19 19 21 17 20 17 24 19 25 26 20 21 19 21 Find a 90 percent confidence interval for u, assuming that the sample is from a normal population. ## A random sample of 16 pharmacy customers showed the waiting times below (in minutes) 22 19 19 19 21 17 20 17 24 19 25 26 20 21 19 21 Find a 90 percent confidence interval for u, assuming that the sample is from a normal population.## Video |