设事件A，B的概率分别为dfrac(1)(3)和dfrac(1)(2)，求在下列三种情况下P(Boverline(A))的值.(1)A,与B互斥；(2)Asubset B；(3)P(AB)=dfrac(1)(8).

3.设A,B是两个事件,且 (A)=dfrac (1)(3), (B)=dfrac (1)(2), 试在下列三种情况下,求P(AB),-|||-(1) (AB)

2.设事件A,B的概率分别为 dfrac (1)(5) 和 dfrac (1)(2), 试在情况一:A与B互不相容;情况二:A⊆B-|||-下,分别求P(AB)

设事件 A, B 的概率分别为 (1)/(3) 和 (1)/(2)，求在下列 3 种情况下 P(B overline(A)) 的值：(1) A 与 B 互不相容

1.设A,B,C为三个事件, P(A)=P(B)=P(C)=dfrac (1)(4) P(AB)=P(AC)=Pdfrac (1)(8) P(ABC)=dfra

(A|B)=dfrac (2)(3) . (B|overline (A))=dfrac (1)(10), 求P(B).

[题目]设A.B.C为三个事件,且 (A)=P(B)=dfrac (1)(4),-|||-(C)=dfrac (1)(3), P(AB)=P(BC)=0 (AC

2.设A,B为两个事件,且 (A)=dfrac (1)(4), (B|A)=dfrac (1)(3), (A|B)=dfrac (1)(2), 求 (Acup

1.已知 (A)=P(B)=dfrac (1)(3) (A|B)=dfrac (1)(6), 则P(AB)= () .-|||-

16.设X与Y相互独立,其分布列分别为-|||-X -2 -1 0 dfrac (1)(2)-|||-p dfrac (1)(4) dfrac (1)(3) d

[题目]已知 (A)=dfrac (1)(2)-|||-(1)若A,B互不相容,求P(AB);-|||-(2)若 (AB)=dfrac (1)(8) 求P(AB