7-2 Homework: Chapter 8 (Sections 8.1 and ... i Saved Help Save & Exit Submit Check my work 7 A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 27 31 17 22 22 18 10 15 27 14 5 19 20 23 18 13 22 points Click here for the Excel Data File Skipped Find a 90 percent confidence interval for , 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.) eBook Ask The 90% confidence interval to Print References Mc