• 2022-06-26
    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]18032ac01ad25fd.png[/img]
    B: [img=75x24]18032ac022df4a1.png[/img]
    C: [img=75x24]18032ac02ad6423.png[/img]
    D: =P(X<1)P(X<1)
    E: =P(X<0.5)+P(X<0.5)
    F: >P(X<1)