Asked by MusicLover14

A class of 21 students has 9 girls and 12 boys. What is the probability of a teacher randomly picking on a boy?
A. 3/4
B. 4/7
C. 3/7
D. 4/3
The correct answer is B. 4/7

Answers

Answered by Ms. Sue
Right.
Answered by ?
how?
Answered by Tony
12 boys out of 21 = 12/21

Divide both by 3 to reduce and you get 4/7
Answered by Lara Calrissian
That makes so much since. Thank you.
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