Multiple Choice
The tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean of 60,000 miles and a standard deviation of 2500 miles. What is the probability a certain tire of this brand will last between 54,750 miles and 55,500 miles?
A) .0180
B) .4920
C) .9813
D) .4649
Correct Answer:
Verified
Correct Answer:
Verified
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