1. Σ. P(A = aB) 2. Σ, ΡA |Β = b) а 3. Σ. Σ, Ρ(Α = α, Β -) 4. Σ. Σ, (Α - a|B =b) B = b)

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A: Redundency = (1-p(a))(1-p(b))(1-p(c))(1-p(d)) R=(0.6)(0.7)(0.8)(0.9) R=0.3024

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