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Example 3.25 from Statistics, 3.5 Tree and Venn Diagrams
b. Fill in the blanks.
P(RB OR BR) =
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
b. P(RB OR BR) = P(RB) + P(BR) = P(R on 1st) P(B on 2nd) + P(B on 1st) P(R on 2nd) = + =
How did it go?