Multiple Choice
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?
A) 50,000
B) 3,500
C) 500
D) 35
Correct Answer:
Verified
Correct Answer:
Verified
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