Bayesian Network P(C A. B) ta +b +c 0.8 A P(BA) +a +6 -c 0.2 P(D C) P(A +a +6 0.5 +a +c 0.6 +c +d 0.4 0.5 +a -b 0.5 +a -b -C 0.4 +c -d 0.6 B C 0.5 - 0 0.2 -a +b +c 0.2 -C +d 0.2 D -a -h 0.8 -a +b -c 0.8 -C -d 0.8 - a -b 0.1 -a -C 0.9 a. Determine the joint probability distribution equation of the BN! b. Determine P (D | + a) using Inference by Enumiration! c. Determine P (D | + a) using Variable Elimination! d. Determine P (D | -b) using Inference by Enumiration! e. Determine P (D | -b) using Variable Elimination