• 2022-06-17
    已知二维随机变量(X, Y)的分布函数为F(X, Y),则(X,Y)关于Y的边缘分布函数[img=42x25]1802f2ae8f634fb.png[/img]= ( ).
    A: [img=243x42]1802f2ae99a8ef9.png[/img]
    B: [img=241x44]1802f2aea4cd2f4.png[/img]
    C: [img=240x40]1802f2aeaf5f22b.png[/img]
    D: [img=239x40]1802f2aebb23c6c.png[/img]
  • 举一反三