The following addition is used when the events are mutually exclusive. For example, when we toss a coin, the outcomes are either heads or tails. P(A or B) =0.5+0.5=1.0
Work Step by Step
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.