Question

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.

Answer 1

The probability would be be 11/38

Answer 2

Probability of choosing first girl = 11/20

Next one would be 10/19

11/20 x 10/19 = 11/38

Probability = 11/38