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56. A random variable X has the cumulative distribution functionCalculate the variance of X. (A) 7\
問題詳情
56. A random variable X has the cumulative distribution function
Calculate the variance of X.
(A) 7/72
(B) 1/8
(C) 5/36
(D) 4/3
(E) 23/12
參考答案
答案:C
統計:A:0,B:0,C:0,D:0,E:0
難度:計算中
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