The Same Colour
Difficulty: Easy · Topics: Probability, Probability, Combinations
A bag holds 2 red and 3 white marbles. Two marbles are drawn at random. What is the probability that both are the same colour?
Difficulty: Easy · Topics: Probability, Probability, Combinations
A bag holds 2 red and 3 white marbles. Two marbles are drawn at random. What is the probability that both are the same colour?