Wetzel

Math 110

8.7 – Introduction to Probability

Probability –

            def. –

            formula -                     

            Mutually Exclusive Events –

            Addition Rule –

                        P(A or B)

                        For Mutually Exclusive Events –

                                    P(A or B) = P(A) + P(B)

                        For NOT Mutually Exclusive Events -

                                    P(A or B) = P(A) + P(B) – P(A and B)

            Is probability the same as odds???

Ex.:      Handout