The life expectancy of a particular brand of tire is normally distributed with a mean of 40,000 and a standard deviation of 5,000 miles.What is the probability that a randomly selected tire will have a life of exactly 47,500 miles?
A) 0.0000
B) 0.9332
C) 0.0668
D) 0.4993

Question

Quizplus · Accepted Answer

The probability of a continuous variable having an exact value is always 0. Therefore, the probability of a randomly selected tire having a life of exactly 47,500 miles is 0.

The Life Expectancy of a Particular Brand of Tire Is