Seudónimo Seudónimo

25-05-2017
Mathematics

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a class has 9 girls and 12 boys what is the probability of the teacher randomly calling on a boy?
3/4
4/7
3/7
4/3
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angelicdragon12 angelicdragon12

25-05-2017

3/4 because there are 9 boys and 12 girls, which is 9/12 which then simplifies to 3/4

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25-05-2017

3/4 because 9/12 reduces to 3/4

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