(1)由全概率公式可得每批产品能通过检查的概率为 P(4=P(B)P(AB)+…+P(B)P(AB)=0.8142 (2)由条件概率公式或贝叶斯公式可求得 P(B)P(AB)0.1×1 P(BolA) =0.123 0.8142 P(B,lA) P(B1)P(AB1)0.2×09 =0.221 0.8142 P(B24) P(B2)P(AB2)04×0.809 0.397 0.8142 P(B34)= P(B3)P(AB3)0.2×0.727 0.179 P(4 0.8142 P(B44) P(B)P(AB)0.1×0.652 0.080 P(A) 0.8142 欐率统计(ZYH) ▲区u概率统计（ZYH） (1) 由全概率公式可得每批产品能通过检查的概率为 0 0 4 4 P A P B P A B P B P A B ( ) ( ) ( ) ( ) ( ) 0.8142 = + + = (2) 由条件概率公式或贝叶斯公式可求得 0.123 0.8142 0.1 1 ( ) ( ) ( ) ( ) 0 0 0 =  = = P A P B P AB P B A 0.221 0.8142 0.2 0.9 ( ) ( ) ( ) ( ) 1 1 1 =  = = P A P B P AB P B A 0.397 0.8142 0.4 0.809 ( ) ( ) ( ) ( ) 2 2 2 =  = = P A P B P AB P B A 0.179 0.8142 0.2 0.727 ( ) ( ) ( ) ( ) 3 3 3 =  = = P A P B P AB P B A 0.080 0.8142 0.1 0.652 ( ) ( ) ( ) ( ) 4 4 4 =  = = P A P B P AB P B A