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Example 3.24 from Statistics, 3.5 Tree and Venn Diagrams
a. List the 24 BR outcomes: B1R1, B1R2, B1R3, . . .
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.
a. We know that there will be 24 different possible outcomes because there are eight ways to draw blue and three ways to draw red. Make a systematic list of possible outcomes that consist of a blue marble on the first draw and a red marble on the second draw.
B1R1, B1R2, B1R3
B2R1, B2R2, B2R3
B3R1, B3R2, B3R3
B4R1, B4R2, B4R3
B5R1, B5R2, B5R3
B6R1, B6R2, B6R3
B7R1, B7R2, B7R3
B8R1, B8R2, B8R3
How did it go?