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Question
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 between 30,000 and 50,000 miles?A) 0.1854
B) 0.2719
C) 0.5105
D) 0.6959
Answer
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