CSEC Mathematics · May/June 2016 · Paper 1 · Question Q43

In a class of 20 students, 12 are girls. What is the probability that a student chosen at random is a boy?

1. (A)\frac{1}{20}
2. (B)\frac{8}{20}
3. (C)\frac{12}{20}
4. (D)\frac{8}{12}