問題詳情

211. A flood insurance company determines that N, the number of claims received in a month,
is a random variable with P[N=n]=

, for n=0,1,2,.... The numbers of claims
received in different months are mutually independent.


Calculate the probability that more than three claims will be received during a
consecutive two-month period, given that fewer than two claims were received in the first
of the two months.

(A) 0.0062
(B) 0.0123
(C) 0.0139
(D) 0.0165
(E) 0.0185

參考答案

答案:E

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中