21.(5%) Y1, Y2, ... are independent and identically distributed random variables； the moment generat

問題詳情

21.(5%) Y1, Y2, ... are independent and identically distributed random variables； the moment generating function of each of them is

Let X=

Find this probability mass function of X, px(X)

答案：99

統計：A:0,B:0,C:0,D:0,E:0

難度：計算中