Professor Wagner is putting up decorations for the holidays, and he has a bag of ornaments. In each question below, he starts with 2 red ornaments, 2 green ornaments, and 1 yellow ornament in the bag, and each ornament is chosen with equal probability. Do not show your work or justify your answer; just give the nal answer. (a) (3 pt) If he draws two ornaments with replacement, what is the probability that the second ornament drawn is green? (b) (3 pt) If he draws two ornaments without replanement, what is the probability that both ornaments drawn are green