Table 1.

Event occurrence probability of classroom teaching failure.

Label	An intermediate value of failure probability	Left utility value	Right utility value
X111	0.69	0.685	0.695
X112	0.67	0.665	0.675
X113	0.57	0.565	0.575
X114	0.64	0.635	0.645
X121	0.65	0.645	0.655
X122	0.70	0.695	0.705
X123	0.76	0.755	0.765
X131	0.59	0.585	0.595
X132	0.38	0.375	0.385
X133	0.03	0.025	0.035
X211	0.73	0.725	0.735
X212	0.72	0.715	0.725
X213	0.76	0.755	0.765
X221	0.43	0.425	0.435
X222	0.17	0.165	0.175
X223	0.33	0.325	0.335
X224	0.07	0.065	0.075
X231	0.80	0.795	0.805
X232	0.88	0.875	0.885
X311	0.88	0.875	0.885
X312	0.05	0.045	0.055
X313	0.07	0.065	0.075
X321	0.35	0.345	0.355
X322	0.50	0.495	0.505
X323	0.15	0.145	0.155
X331	0.40	0.395	0.405
X332	0.90	0.895	0.905
X333	0.10	0.095	0.105
X341	0.63	0.625	0.635
X342	0.27	0.265	0.275
X343	0.10	0.095	0.105