3. Certainty Factors Theory Calculate CF(rain) by using the same rule base and facts given in the previous question (but ignore LS and LN). The CF value for each rule is as follows CF1-0.9 CF2-0.9 CF3-0.9 CF4-0.5CF5-0.3 CF6-0.9 Show the propagation of belief (updated CF after each rule fired). 3. Certainty Factors Theory Calculate CF(rain) by using the same rule base and facts given in the previous question (but ignore LS and LN). The CF value for each rule is as follows CF1-0.9 CF2-0.9 CF3-0.9 CF4-0.5CF5-0.3 CF6-0.9 Show the propagation of belief (updated CF after each rule fired)