SOLUTION: Truck tire life is normally distributed with a mean of 60,000 miles and a standard deviation of 4,000 miles. What is the probability that the tire will last 72,000 miles or more?
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Question 250452: Truck tire life is normally distributed with a mean of 60,000 miles and a standard deviation of 4,000 miles. What is the probability that the tire will last 72,000 miles or more?
a. .0013
b. .9987
c. .4987
d. .9544 Answer by edjones(8007) (Show Source):
