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An automotive engineer wants to stomata the cost of repairing a car that experiences a 25 MPH head-on collision. He crashes 24 cars, and the

An automotive engineer wants to stomata 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. provide a 98% confidence interval for the true mean cost of repair.

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