Mathematics, 25.01.2020 15:31 mahkitheking16

The average life of a brand of automobile tires is 30,000 miles, with a standard deviation of 2,000 miles. if a tire is selected and tested, find the probability that it will have a lifetime between 25,000 and 31,000 miles. assume the variable is normally distributed. give your answer rounded to four decimal places (to the nearest ten-thousandth).

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The average life of a brand of automobile tires is 30,000 miles, with a standard deviation of 2,000...