M&Ms are blended in a ratio of 13 percent brown, 14 percent yellow, 13 percent red, 24

Question:

M&Ms are blended in a ratio of 13 percent brown, 14 percent yellow, 13 percent red, 24 per- cent blue, 20 percent orange, and 16 percent green. Suppose you choose a sample of two M&Ms at random from a large bag.
(a) Show the sample space.
(b) What is the probability that both are brown?
(c) Both blue?
(d) Both green?
(e) Find the probability of one brown and one green M&M.