• 2022-06-04
    设在一次试验中,试验成功的概率为p(0A: [img=41x23]1803da133765cf5.png[/img]
    B: [img=18x23]1803da134021057.png[/img]
    C: [img=55x25]1803da134903789.png[/img]
    D: [img=78x25]1803da135214348.png[/img]