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20 給定一個離散隨機變數(discrete random variable)X,它的機率質量函數(probability mass function)為 則 K 之值為何?(A)1/2 (B)2/3
問題詳情
20 給定一個離散隨機變數(discrete random variable)X,它的機率質量函數(probability mass function)為
則 K 之值為何?
(A)1/2
(B)2/3
(C)3/4
(D)2
參考答案
答案:A
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(0)
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