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. 0.4332
b. 0.9332
c. 0.0668
d. 0.4993


c

Business

You might also like to view...

A hydraulic lever has a mean time between failures of 6,500 hr and mean time to repair of 600 hr. In this case, the availability is ______.

A. 0.915 B. 0.960 C. 0.930 D. 0.910

Business

What is the decision rule for outsourcing?

Business

_____ are signposts that direct the receiver from one section of a document to another.?

A) ?Enumerations B) ?Tables C) ?Headings D) Graphs

Business

A firm's "relevant market for finding opportunities" should

A. be bigger than the firm's present product-market-but not so big that the firm couldn't be an important competitor. B. usually be named in product-related terms. C. have no strong competitors. D. have no geographic boundaries. E. be no larger than the firm's present product-market.

Business