Computer Science

Outdoor Adventure, Inc. has produced two new tires, Racer Standard and Racer Premium. The estimated mean lifetime mileage of Racer Standard is 43,000 miles and Racer Premium is 46,000. Management also believes that the standard deviation for Racer Standard is 6,800 miles and Racer Premium is 5,200 and that both mileages are normally distributed.

1)As part of the quality improvement, the management wants to know the probabilities that the two tires will last no more than 30,000 miles.