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.2116, 2682,2543, 2480, 2684, 2005, 2015, 2515, 2152, 2699, 2470, 2474 Send data to calculator  Based on this sample, find a 90%confidence interval for the mean number of miles driven monthly by members of the sales staff, assuming that monthly driving distances are normally 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 a list of formulas.) Lower limit:   Upper limit:

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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.2116, 2682,2543, 2480, 2684, 2005, 2015, 2515, 2152, 2699, 2470, 2474
Send data to calculator
 
Based on this sample, find a 90%confidence interval for the mean number of miles driven monthly by members of the sales staff, assuming that monthly driving distances are normally 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 a list of formulas.)

Lower limit:
 
Upper limit:
 
 
 
 
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