問題詳情

Problem 6. (2.5 %o) Suppose X, Y and Z are three independent discrete ran-dom variables. Then X and Y + Z are. _____ independent. 
(A) always
(B) sometimes
(C) never 

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增