Bayesian Network

a. Determine P (D| +a) using Inference by Enumiration!b. Determine P (D| +a) using Variable Elimination!

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B A P(A) +a -a 0.5 0.5 P(B|A) +a +b 0.5 +a -b 0.5 0.2 -a -b 0.8 -a +b P(C|A, B) +a +b +c 0.8 +a +b -C 0.2 +c 0.6 +a -b +a -b -C 0.4 0.2 -a +b +c -a +b -C 0.8 -a -b +c 0.1 -a -b -C 0.9 P(D|C) +c +d 0.4 +c -d 0.6 -C +d 0.2 -C -d 0.8 B A P(A) +a -a 0.5 0.5 P(B|A) +a +b 0.5 +a -b 0.5 0.2 -a -b 0.8 -a +b P(C|A, B) +a +b +c 0.8 +a +b -C 0.2 +c 0.6 +a -b +a -b -C 0.4 0.2 -a +b +c -a +b -C 0.8 -a -b +c 0.1 -a -b -C 0.9 P(D|C) +c +d 0.4 +c -d 0.6 -C +d 0.2 -C -d 0.8