what are the properties of conditional probability
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Properties of Conditional Probability - formula
P(Anˉ). If A1and A2 are two events such that A2=ϕ, then P(A1∣A2)+P(A1ˉ∣A2)=1. If A1,A2 and A3 are three events such that A1=ϕ,A1A2=ϕ, then P(A1∩A2∩A3)=P(A1)⋅P(A2∣A1)⋅P(A3∣A1A2).
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