Multiple Choice
The tread life of a particular brand of tire is a random variable best described by a normal distribution with amean of 60,000 miles and a standard deviation of 3000 miles. What warranty should the company use if theywant 96% of the tires to outlast the warranty?
A) 54,750 mi
B) 65,250 mi
C) 57,000 mi
D) 63,000 mi
Correct Answer:

Verified
Correct Answer:
Verified
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