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The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is 4501 miles, with a standard deviation of 422

The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is 4501 miles, with a standard deviation of 422 miles.

If he is correct, what is the probability that the mean of a sample of 34 cars would be less than 4311 miles? Round your answer to four decimal places.

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