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The operation manager at a tire manufacturing company believes that the mean mileage of a tire is 21,009 miles, with a variance of 6,220,036. What

The operation manager at a tire manufacturing company believes that the mean mileage of a tire is 21,009 miles, with a variance of 6,220,036.

What is the probability that the sample mean would differ from the population mean by less than655 miles in a sample of79tires if the manager is correct?

Round your answer to four decimal places.

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