• 2022-05-28
    设X与Y相互独立,均服从参数为1的指数分布,则P(X+Y<1)
    A: [img=84x24]180306cf0c04e19.png[/img]
    B: [img=75x24]180306cf13f21f4.png[/img]
    C: [img=75x24]180306cf1b9a425.png[/img]
    D: =P(X<1)P(X<1)
    E: =P(X<0.5)+P(X<0.5)
    F: >P(X<1)