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The operation manager at a tire manufacturing company believes that the mean mileage of a tire is 34,641 miles, with a standard deviation of 2480

The operation manager at a tire manufacturing company believes that the mean mileage of a tire is 34,641 miles, with a standard deviation of 2480 miles.

What is the probability that the sample mean would be less than 34,429 miles in a sample of 121 tires if the manager is correct? Round your answer to four decimal places.

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