• 2022-06-01
    已知二维随机变量(X, Y)的分布函数为F(X, Y),则(X,Y)关于X的边缘分布函数FY(y) = ( ).
    A: [img=243x42]1802f2dc52b2da7.png[/img]
    B: [img=241x44]1802f2dc5cb7577.png[/img]
    C: [img=240x40]1802f2dc66fa892.png[/img]
    D: [img=239x40]1802f2dc722379f.png[/img]