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If P(AnnB)=1/2,P( barA nn barB )=1/3, ...

If `P(AnnB)=1/2,P( barA nn barB )=1/3, P(A)=p , P(B)=2p ,` then find the value of `pdot`

A

a) 7/18

B

b) 1/3

C

c) 4/9

D

d) 1/9

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