問題詳情

(5%) Let X and Y have the joint probability density function f(x,y)=2,  0≤x≤y≤1. Which of the following is correct?
(A) E[X] = 1
(B) E[Y] = 1/2
(C) E[Y2] =1/2
(D)Pr(o sX sY,O≤Y≤

=1/2
(E) None of these

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