Outdoor Adventure, Inc. has produced two new tires, Racer Standard and Racer Premium. The estimated mean lifetime mileag

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answerhappygod
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Outdoor Adventure, Inc. has produced two new tires, Racer Standard and Racer Premium. The estimated mean lifetime mileag

Post by answerhappygod »

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.
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