(a) How does an expert system rank potentially true hypothesis? Illustrate your answer with examples [5]

(b) How does an expert system establish the net certainty factor for conjunctive and disjunctive rules? Give an example for each [5]

(c) Two methods of dealing with uncertain are certainty factor (CFs) and Bayesian probability

i. Explain the two methods mentioned above [6]

ii. What new ideas does the theory of uncertainty bring in? [4]