Find a 95% confidence interval for the population mean.

Score: 0.33 of 1 pt { 5 of 5 (:1 complete) v ) HW Score: 66.67%, 3.33 of 5 pts @ 7...?!29 55 Question Help in} A car-rental company is interested in the amount of time its vehicles are out oioperation for repair work. State all assumptions and nd a 95% condence interval for the mean number of days in a year that all vehicles in the company's eet are out of operation if a random sample of 10 cars showed the following number of days that each had been inoperative 11 2? 8 9 15 20 15 22 12 19 la State all assumptions. Select all the assumptions below. EA. The sample comes from a normal population B. The sample size is at least 30 C. The variance is less than the mean ED. It is a random sample Find a 95% condence interval for the population mean. The 95% condence interval is from a lower limit of to an upper limit of (Round to two decimal places as needed.)