試題詳解

283. In any twelve-month period, the probability that a home is damaged by fire is 20% and the probability of a theft loss at a home is 30%. The occurrences of fire damage and theft loss are independent events.

Calculate the probability that a randomly selected home will either be damaged by fire or will have a theft loss, but not both, during the next year.
(A) 0.30
(B) 0.38
(C) 0.44
(D) 0.50
(E) 0.56