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QUESTION
a tire company tests a particular model of tire and finds the tires to be normally distributed with respect to wear. The mean is 28,000 mi and the...
a tire company tests a particular model of tire and finds the tires to be normally distributed with respect to wear. The mean is 28,000 mi and the standard deviation is 2500 mi. If 2000 tires are tested, about how many are likely to wear out before 23,000 mi?
