Mathematics, 14.04.2020 19:33 sofialarrea13
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 at least 47,500 miles?
a. 0668.
b. 4332.
c. 9332.
d. none of these.
Answers: 3
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