来自任智的问题
设二维随机变量(X,Y)的联合密度函数为f(x,y)大括号x^2+xy/3,0
设二维随机变量(X,Y)的联合密度函数为f(x,y)大括号x^2+xy/3,0
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2020-08-31 16:08
设二维随机变量(X,Y)的联合密度函数为f(x,y)大括号x^2+xy/3,0
设二维随机变量(X,Y)的联合密度函数为f(x,y)大括号x^2+xy/3,0
见下图