問題詳情

239. The number of minor surgeries, X, and the number of major surgeries, Y, for a policyholder, this decade, has joint cumulative distribution function


for nonnegative integers x and y.

Calculate the probability that the policyholder experiences exactly three minor surgeries and exactly three major surgeries this decade.
(A) 0.00004
(B) 0.00040
(C) 0.03244
(D) 0.06800
(E) 0.12440

參考答案

答案:B

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中