ACTM.226 Addition Rule and Overlapping Events
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Skill Level🔴 Hard
00:00
Progress to Next Level25% to Medium
EasyMediumHardMastery100%

For two events A and B, P(neither A nor B)=0.21, so P(A or B)=0.79. P(A)=0.54, P(B)=0.38, and P(A or B)=0.79. What is P(A and B)?