The tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean of 60,000 miles and a standard deviation of 1300 miles. What is the probability a particular tire of this brand will last longer than 58,700 miles?
A) .2266
B) .8413
C) .1587
D) .7266

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The Answer of The tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean of 60,000 miles and a standard deviation of 1300 miles. What is the probability a particular tire of this brand will last longer than 58,700 miles?
A) .2266
B) .8413
C) .1587
D) .7266

The Tread Life of a Particular Brand of Tire Is