(TCO C) DJ Car Rental wants to estimate the average number of miles traveled per day by each of its cars rented in California. A random sample of 110 cars rented in California yields the following results.

Sample Size = 110

Sample Mean = 85.5 mi

Sample Standard Deviation = 19.3 mi

a. Construct the 99% confidence interval for the average number of miles traveled per day by each of its cars rented in California.

b. Interpret this interval.

c. How many cars should be sampled if we wish to construct a 99% confidence interval for the average number of miles traveled per day that is accurate to within 2 mi?

Please show work or advise if minitab was used