問題詳情

Problem 21. (3.0 %) Let Xi,i = 1,2, ... be independent random variablesall distributed according to the pdf fX(x) = 1 for 0 ≤ x ≤ 1. Definc Yn =X1X2X3... Xn for some integer n. Then var(Yn) is equal to
(A)


(B)


(C)


(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