Question

There are 24 children in a class, 16 brown-haired and 8 black-haired. Two students are randomly selected for a stage performance. Find the probability of the following selection.

Answer 1

P(2 black haired children)

Answer 2

P(2brown) = first (16/24) times second (15/23)
P(2 black) = first(8/24) times second (7/23)