The top-selling Red and Voss tire is rated 70000 miles, which means nothing. In fact, the distance the tires can run until weam out is a normally distributed random variable with a mean of 81000 miles and a standard deviation of 5000 miles. A. What is the probability that the tire wears out before 70000 miles? Probability= B. What is the probability that a tire lasts more than 87000 miles? Probability

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