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The marketing division of Good-Life Tires has determined the average life of tires to be 30,000 miles with a standard deviation of 5,000 miles. Given
The marketing division of Good-Life Tires has determined the average life of tires to be 30,000 miles with a standard deviation of 5,000 miles. Given that the life is a normally distributed random variable, find the probability that the tires last less than 28,000 miles
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