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4. Your science group has 9 boys and 12 girls in it. You want them to...

4. Your science group has 9 boys and 12 girls in it. You want them to work on a project together. (9 points)

a.         How many different groups of 3 can you create?

b.         How many different groups of 6 can you create if you want 3 boys and 3 girls in the group?

c.         What is the probability that a four person social committee will consists of all girls?

Math   Statistics-And-Probability   
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