The top-selling Red and Voss tire is rated 70000 miles, which means nothing. In fact, the distance the tires can run until wear-out is a normally distributed random variable with a mean of 80000 miles and a standard deviation of 5000 miles. A. What is the probability that the tire wears out before 70000 miles? Probability = 0.0228 B. What is the probability that a tire lasts more than 86000 miles? Probability = 0.8849

Q: WOW THANKS! Can you help with question 18 too? I realized I already answered 20 after i sent it

A: Here is the solution:

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