Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The sample mean tread wear was 50,000 miles, with a population standard deviation of 3,500 miles. What is the best estimate of the average tread life in miles for the entire population of these tires? Multiple Choice 50,000 3.500 500 35 Nex! 10 of 10 Prev Mc Graw Hill Friurst res 420 AM 11/17/2019 O Type here to search D3e 10

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