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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 Tysm!

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 Tysm!
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4 votes
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
Tysm!

User Mheinzerling
by
8.3k points

2 Answers

4 votes
3/4 because 9/12 reduces to 3/4
User Yann Thibodeau
by
7.9k points
0 votes
3/4 because there are 9 boys and 12 girls, which is 9/12 which then simplifies to 3/4
User Denisia
by
8.2k points
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