A.38% B.47% C.15% D.53%
A.0.9 B.0.1 C.0.2 D.0.8
A.P(AB.=PA.PB. B.P(A+B.=PA.+PB. C.P(A1B.=PA.(PB.≠0) D.P(AB.=PA.P(B|A.(PA.≠0)