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Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The results showed that the average tread life was 53,709 miles with a standard deviation of 3,471 miles. What is the best estimate of the average tread life in miles for the entire population of these tires?

A.(53,709/100)

B.3,471

C.(3,471/100)

D.53,709

 

Statistics and Probability, Statistics

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