该题同第二题,答案解析一道题里放不全,所以把该题题干给成了两个 3.7 设有如下推理规则 r 1 : IF E 1 THEN (2, 0.00001) H 1 r 2 : IF E 2 THEN (100, 0.0001) H 1 r 3 : IF E 3 THEN (200, 0.001) H 2 r 4 : IF H 1 THEN (50, 0.1) H 2 且已知 P(E 1 )= P(E 2 )= P(H 3 )=0.6, P(H 1 )=0.091, P(H 2 )=0.01, 又由用户告知: P(E 1 | S 1 )=0.84, P(E 2 |S 2 )=0.68, P(E 3 |S 3 )=0.36 请用主观 Bayes 方法求 P(H 2 |S 1 , S 2 , S 3 )=?