Exhibit 6-8 The Life Expectancy of a Particular Brand of Tire Is

Multiple Choice

Exhibit 6-8
The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles.
-Refer to Exhibit 6-8. What is the probability that a randomly selected tire will have a life of exactly 47,500 miles?

A) 0.0000
B) 0.9332
C) 0.0668
D) 0.4993