問題詳情

3.Lei A, and Y be two iadependent, Possioa random variables with mean λ1 arid λ2. Find the conditional probability P(X = x | X+ Y = k), where x = 0,1, ..., k.

參考答案

答案：D
難度：簡單0.797688
統計：A(0),B(1),C(28),D(138),E(0)