QUESTION 1 A hospital is trying to cut down on emergency room wait times. It is interested in the amount of time patients must wait before being called back to be examined. An investigation committee randomly surveyed 80 patients. The sample mean was 1.5 hours, with a sample standard deviation of 0. 7 hours. The upper- bound 95% condence interval is Your answer sould be to three decimals, e. 9 enter 1.975 as 1.975 QUESTION 2 One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month. It was revealed that they watched an average of 160 hours each month with a standard deviation of 35 hours. Assume that the underlying population distribution is normal. Construct a 99% lower-bound confidence interval for the population mean hours spent watching television per month. Your answer sould be to three decimals, e. 9 enter 1.975 as 1.975 4 points 4 points Save Answer Save