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

Question 85

Multiple Choice

Exhibit 6-6
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 6-6. What is the probability that a randomly selected tire will have a life of exactly 47,500 miles?


A) 0.4332
B) 0.9332
C) 0.0668
D) zero

Correct Answer:

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