• 2022-06-26
    ‍已知随机变量(X,Y)在区域[img=308x29]18033f95bae453e.png[/img]上服从均匀分布,则( )。​
    A: [img=139x43]18033f95c2ab3b6.png[/img]
    B: [img=139x43]18033f95cb13a39.png[/img]
    C: [img=174x43]18033f95d5362f6.png[/img]
    D: [img=171x43]18033f95dfbb3d5.png[/img]