The addition rule is used to determine the probability of the union of two events occurring and is defined as a sum of the probabilities of both events.

Question

Quizplus · Accepted Answer

The addition rule for the probability of the union of two events also includes subtracting the probability of their intersection to avoid double counting, making the full formula: P(A ∪ B) = P(A) + P(B) - P(A ∩ B).

The Addition Rule Is Used to Determine the Probability of the Union