試題詳解

275. An insurance company examines its pool of auto insurance customers and gathers the following information:
i) All customers insure at least one car.
ii) 64% of the customers insure more than one car.
iii) 20% of the customers insure a sports car.
iv) Of those customers who insure more than one car, 15% insure a sports car.

Calculate the probability that a randomly selected customer insures exactly one car, and that the car is not a sports car.
(A) 0.16
(B) 0.19
(C) 0.26
(D) 0.29
(E) 0.31