1.P(A)=0.44
2.P(B|A)=0.864这个是怎么算的啊？用A'，B'表示非A，非B。(1) P(A|B)=P(B|A)P(A)/P(B)=[1-P(B'|A)]P(A)/P(B)=[P(A)-P(A|B')P(B')]/P(B)=[P(A)-0.1*0.6]/0.4=0.95解得P(A)=0.95*0.4+0.06=0.44(2) P(B|A)=P(A|B)P(B)/P(A)=0.95*0.4/0.44=0.864