S1 - Probability 0.0 / 5 ? MathematicsProbabilityASEdexcel Created by: jackjj9Created on: 10-10-16 21:20 What is the addition rule? P(AunionB) = P(A) + P(B) - P(AintB) or P(AintB) = P(A) + P(B) - P(AunionB) 1 of 6 What is the multiplication rule? P(A|B) = P(AintB) / P(B) 2 of 6 What is the independence rule? P(A|B) = P(A) or P(A|B) = P(B) 3 of 6 What is the mutually exclusive rule? P(AintB) = 0 so 0 = P(A) +P(B) - P(AunionB) 4 of 6 What does independent mean? When one event has no effect on the other 5 of 6 What does mutually exclusive mean? When the intersection is 0 and the events cannot happen at the same time 6 of 6
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