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设二维随机变量(X,Y)服从区域D={(x, y):0≤x≤1,0≤y≤2}上的均匀分布.
求:(1)(X,Y)的概率密度f(x, y);
(2)E(X+Y)
(3) E(XY)
分类:
概率论与数理统计(经管类)(04183)
发表:2024年09月12日 08时09分53秒
作者:
admin
阅读:
(21)
设二维随机变量(X,Y)服从区域D={(x, y):0≤x≤1,0≤y≤2}上的均匀分布.
求:(1)(X,Y)的概率密度f(x, y);
(2)E(X+Y)
(3) E(XY)
【正确答案】:
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