Given a bag with 40 marbles total, with 12 blue, 5 red, 9 green, and 14 yellow, the probability that the second marble drawn is blue, given that the first was green, is 12/34.
Given a box with 50 cards total, with 20 sixth graders, 16 seventh graders, and 14 eighth graders, and the first two cards drawn were sixth graders, the probability that the third card drawn is an eighth grader is 14/28.
Given a bag with 5 red apples, 7 yellow apples, and 8 green apples, the probability that Brett picks a green apple is 8/20.
