問題詳情

17. According to Chebyshev inequality, the probability that the distance between a random variableand the expected value of the random variable is no greater than three times of standarddeviation is no less than
(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