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
问题描述:
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
答
见下图
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