Question

there are 9 students in a class: 7 boys and 2 girls. if the teacher picks a group of 3. at random, what is the probability. that everyone in the group is a boy ?

Answer 1

There is a 1 out of 3 chance of a full boy group

Answer 2

9 students in a class: 7 boys and 2 girls. picks a group of 3 at random P(all boys) = 7/9*6/8*5/7