A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 22 14 25 15 19 15 17 15 21 16 23 16 29 21 22 21 Click here for the Excel Data File ook Find a 90 percent confidence interval for , assuming that the sample is from a normal population. (Round your standard deviation sk answer to 4 decimal places and t-value to 3 decimal places. Round your answers to 3 decimal places.) rint The 90% confidence interval to rences W O