Consider the following addition rule to find the probability of the union of two events A and
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P(A or B) = P(A) + P(B) – P(A and B)
When and why is the term P(A and B) subtracted from the sum of P(A) and P(B)? Give one example where you might use this formula.
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When we compute PA PB and events A and B are not mutually exclusive PA and B is added ...View the full answer
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