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A 7th-grade class has 9 boys and 11 girls. Two representatives are to be chosen at random by their teacher. What is the probability that that BOTH representatives will be girls? Give your answer as a fraction
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A 7th-grade class has 9 boys and 11 girls. Two representatives are to be chosen at random by their teacher. What is the probability that that BOTH representatives will be girls? Give your answer as a fraction is simplest form.

User Michelem
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2 Answers

4 votes
The probability would be be 11/38
User Riccardo Cossu
by
7.6k points
3 votes

Answer:

Probability of choosing first girl = 11/20

Next one would be 10/19

11/20 x 10/19 = 11/38

Probability = 11/38

User Kiw
by
8.0k points
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