Test: AP Statistics

An automotive engineer wants to estimate the cost of repairing a car that experiences a 25 MPH head-on collision. He crashes 24 cars, and the average repair is $11,000. The standard deviation of the 24-car sample is $2,500.

1.

Provide a 98% confidence interval for the true mean cost of repair.

 

1/3 questions

0%
Learning Tools by Varsity Tutors