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

question 72

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

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