Suppose the Average Tread-Life of a Certain Brand of Tire

question 92

Multiple Choice

Suppose the average tread-life of a certain brand of tire is 42,000 miles and that this mileage follows the exponential probability distribution. What is the probability that a randomly selected tire will have a tread-life of more than 40,000 miles?

• A)0.3858
• B)0.3016
• C)0.1546
• D)0.2410

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