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Solution to part (f)

Suppose we now eliminate B. What factor(s) are removed, and what factor is created?

Variable B appears in three factors: P(A|B), P(B), and f5(B). We thus create a factor f6(A), defined by:

A Value
true 0.88 * 0.7 * 0.476216 + 0.38 * 0.3 * 0.587992 = 0.360380144
false 0.12 * 0.7 * 0.476216 + 0.62 * 0.3 * 0.587992 = 0.149368656

Computational Intelligence online material, ©David Poole, Alan Mackworth and Randy Goebel, 1999

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