問題詳情
2. Y is distributed N(0,4), and X is distributed N(0,16). Please calculate E(Y2) and E(X3).
(A)E(Y2) = 4 and E(X3) = 16
(B) E(Y2) = 2 and E(X3) = 64
(C) E(Y2) = 4 and E(X3) = 0
(D) E(Y2) = 2 and E(X3) = 8
(E) None of the above choices(a)-(d).
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