Mathematics, 18.02.2020 03:00, tahiratnoel20

An automobile service facility specializing in engine tune-ups knows that 50% of all tune-ups are done on four-cylinder automobiles, 30% on six-cylinder automobiles, and 20% on eight-cylinder automobiles. Let X = the number of cylinders on the next car to be tuned.

a. What is the pmf of X?
b. What is the probability that the next car tuned has at least six cylinders?
c. What is the probability that the next car tuned has more than six cylinders?

Answers: 3

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An automobile service facility specializing in engine tune-ups knows that 50% of all tune-ups are do...