A corporation that maintains a large fleet of company cars for the use of Its sales staff is Interested In the mean distance driven monthly per salesperson. The following list gives the monthly distances in miles driven by a random sample of 12 salespeople. 2523. 2308, 2204, 2678, 2267, 2308, 1882. 1397, 2635, 2255, 2193, 2324 ,_u~_ ( Send data to calculator Send data to Brcei i Based on this sample, find a 9 0% condence intenrai for the mean number of miles driven monthly by members of the sales staff, assuming that monthly driving distances are normal Iy distributed. Give the lower limit and upper limit of the 90% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult 3 W5.) Lower limit: m Upper limit: U