Question: A jar contains 3 white marbles, 2 yellow marbles, 4 red marbles, and 5 blue marbles. Two marbles are picked at random. What is the probability that
a.) Both are blue
b.) Exactly 1 is blue
c.) At least 1 is blue
This solution is comprised of a response of about 175 words which estimates the probability of selecting particular colours of marbles. All calculations which are necessary are illustrated.