[DCE 2002]
A) $ P(A\cap B)\ge P(A)+P(B) $
B) $ P(A\cup B)\le P(A)+P(B) $
C) $ P(A\cap B)=P(A)+P(B) $
D) None of these
Correct Answer: B
$ P(A\cup B)=P(A)+P(B)-P(A\cap B)\le P(A)+P(B) $ , $ (\because P(A\cap \,B)\ge \,0) $ .
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