5. The average wait time for patients using a telephone health referral and advisement service to speak with a public health nurse is 52 minutes with a standard deviation of 19 minutes. If a sample of 80 patients who contacted the telephone health service on a given day are randomly selected and their wait time is recorded, within what range of values would the middle 80% of wait times be expected to fall? 6. If the average prescription co-pay for patients at a pharmacy is $19.50 with a standard deviation of $12.75, what is the range of expected values for the middle 95% of prescription co-pay costs for a group of 93 patients who fill prescriptions at that pharmacy on a given day