设A,B,C相互独立, (A)=P(B)=P(C)=0.5, 则 (Acup Bcup C)=-|||-[填空1]

设事件A，B相互独立，(Acup B)=0.7 P(A)=0.4，则(Acup B)=0.7 P(A)=0.4A.0.7B.0.6C.0.5D.0.4设事件A，

[题目]设两两相互独立的三个事件A,B,c满足-|||-条件 =, (A)=P(B)=P(C)lt dfrac (1)(2), 且已知-|||-(Acup Bc

[题目]设两两相互独立的三事件A,B和c满足条-|||-件: =, (A)=P(B)=P(C)lt dfrac (1)(2), 且已知-|||-(Acup Bc

[题目]设两两相互独立的三个事件A,B,C满足条-|||-件: =x-|||-(A)=P(B)=P(C)lt dfrac (1)(2)-|||-且已知 (Acu

二、填空题 设随机事件A与B相互独立,A与C相互独立,BC=0 ,若P ( A) =P ( B) = 1/2, P ( AC| ABU C) = 1/4,则 P

1.设 (A)=0.8 (B)=0.5, 且事件A,B相互独立,则 P(A-B)= __ ;-|||-(Acup B)= __-|||-1 2 3 5 则 c=

(1)给出事件A,B的例子,使得(i)P(A|B)P(A).(2)设事件A,B,C相互独立,证明(i)C与AB相互独立;(ii)C与Acup B相互独立.(3)

1.证明:-|||-(1) (Acup B)|C=A|(Bcup C) ;-|||-(2) (Acup B)|C=(A|C)cup (B|C) -

(1)设事件A与B相容,则有 ()-|||-(A) (Acup B)=P(A)+P(B);-|||-(B) (Acup B)=P(A)+P(B)-P(AB);-

[题目]设 P(A)=a , P(B)=b , (Acup B)=c ,则-|||-P(AB)为 ()-|||-A、 a-b-|||-B、 c-b-|||-C、