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Question

P(AB)=P(A)P(AB)=P(AB)P(B)=P(A¯B)=1P(¯AB)

A
True
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B
False
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Solution

The correct option is A True
Image result for P(A−B) venn diagram


P(A-B) is shown blue shaded region
P(A)P(AB) is again shown in the blue region

P(AB)P(B)=P(A)+P(B)-P(AB)-P(B)
=P(A)P(AB)

P(AB¯)=P(AB)P(B)
Also P(A_B)+P(_AB)=1P(A_B)=1P(_AB)


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