Probability

Addition Rule Calculator

Compute P(AâˆªB) = P(A) + P(B) âˆ’ P(Aâˆ©B) with step-by-step work and a Venn diagram.

Live Calculator Â· Step-by-Step Â· Probability

Inputs

P(A)

P(B)

P(Aâˆ©B) â€” Probability both A and B occur

Result

Enter values and calculate.

Step-by-Step Work

Your explanation will appear here.

Venn Diagram â€” A âˆª B