SOLUTION: In a classroom of 9 boys and 14 girls, seven students are chosen to present their seven homework problems. What is the probability that the first three children chosen are boys?

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Question 919838: In a classroom of 9 boys and 14 girls, seven students are chosen to present their seven homework problems. What is the probability that the first three children chosen are boys?
Answer by ewatrrr(24785) About Me  (Show Source):
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23 Students: 9B, 14G
seven students are chosen...
P(first three are boys) = %289%2F23%29%288%2F22%29%287%2F21%29