P(A)=(1)/(2),P(B)=(1)/(3),P(C)=(1)/(5),P(AB)=(1)/(10),P(AC)=(1)/(15),P(BC)=(1)/(
[题目]已知AC B, P(A)=0.4 , P(B)=0.6 ,求-|||-(1)P(A),P(B);-|||-(2) (Acup B) ;-|||-(3)P
2.设A,B是两个事件,已知 P(A)=1/4 (B)=1/2, (AB)=1/8, 求 (Acup B),-|||-P(AB),P(AB ), [ (Acup
设P(A)=(1)/(3),P(B)=(1)/(4),P(A∪B)=(1)/(2),求P(overline(A)∪overline(B)),P(overline
求-|||-(1)P(A),P(B ); (2)P(AB);-|||-(3) (Acup B); (4)P(AB);-|||-(5)P(AB),P(BA).
[单选题]已知P(A)=P(B)=1/4,P(C)=1/2,P(AB)=1/8,P(BC)=P(CA)=0,则A,B,C中至少有一个发生的概率等于()。A . 1/3B . 2/5C . 3/4D . 7/8E . 1
1.已知 P(A)=1/2 , P(B)=1/3 , (AB)=1/10, 则 (overline (A)cap overline (B))= __
3.(1)设A,B,C是三个事件,且 P(A)=P(B)=P(C)=1/4,P(AB)=P(BC)=0,P(AC)=1/8,求A,B,C至少有一个发生的概率.(
3.(1)设A,B,C是三个事件,且P(A)=P(B)=P(C)=1/4,P(AB)=P(BC)=0, P(AC)=1/8,求A,B,C至少有一个发生的概率.(
10.单选题-|||-。已知 (A)=P(B)=P(C)=dfrac (1)(4) :(AB)=0, (AC)=P(BC)=dfrac (1)(16) ,则-|