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`5/12``3/8``5/8``1/2`

Answer :

ASolution :

`P ( A) = 1 - P ( barA ) = 1 - ( 2 ) /( 3 ) = ( 1 ) /( 3 ) ` <br> Using , ` P(A uuB ) = P(A) + P ( B) - P ( A nnB ) ` <br> ` rArr ( 3 ) /( 4 ) = ( 1 )/( 3 ) + P ( B) - ( 1 )/(4 ) rArr P ( B) = ( 2 ) /( 3 ) ` <br> Now, ` P ( bar A nnB ) = P ( B) - P (A nnB ) ` <br> ` = (2 ) / ( 3) - ( 1 )/( 4 ) = (5 ) /( 12 ) `