SOLUTION: mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The average tread wear was found to be 50,000 miles with a standard deviation of
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Question 250451: mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The average tread wear was found to be 50,000 miles with a standard deviation of 3,500 miles. What is the best estimate of the average tread life in miles for the population of these tires?
a. 50,000
b. 3,500
c. 50,000/100
d. 3,500/100 Answer by edjones(8007) (Show Source):
