For two events A

A and B

B , P(A)=0.8

P(A)=0.8 and P(B)=0.3

P(B)=0.3 .

(a)

If A

A and B

B are independent, then

P(A|B)

P(A|B) =

P(AB)

P(AB) =

P(AB)

P(AB) =

(b)

If A

A and B

B are dependent and P(A|B)=0.6

P(A|B)=0.6 , then

P(B|A)

P(B|A) =

P(AB)

P(AB) =

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