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Q.

If P(A)=0.4,P(B)=0.8 and P(B/A)=0.6 then P(AB) is equal to 

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a

0.24

b

0.48 

c

0.96 

d

0.3 

answer is D.

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Detailed Solution

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P(A)=0.4,P(B)=0.8 and P(B/A)=0.6

As P(B/A)=P(BA)P(A)

P(BA)=P(B/A)P(A)=0.6×0.4=0.24

Hence, P(AB)=P(A)+P(B)P(AB)

=0.4+ 0.8-0.24=0.96 

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