A.P(A−B.=PA.−PB. B.P(A−B.=PA.−PB.+P(AB. C.P(A−B.=PA.−P(AB. D.P(A−B.=PA.+PB.−P(AB. E.以上選項(xiàng)都不正確
A.0.165 B.0.435 C.0.685 D.0.775 E.0.925
A.0.3 B.0.4 C.0.5 D.0.6 E.0.7