若A与B是任意两事件,则有( )
A.P(A∪B)=P(A)+P(B)
B.P(A)+P(B)<1
C.P(A∪B)=P(A)+P(B)+P(AB)
D.P(A∪B)=P(A)+P(B)-P(AB)
正确答案是D
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