A Christmas tree basket contains 20 different treats There a

A Christmas tree basket contains 20 different treats. There are 10 Christmas tree cakes, 4 Rice Krispy treats, and 6 brownies. You draw 2 treats form the basket at random, with replacements. What is the probability that one is a brownie and one is a Rice Krispy treat? (show work)

Solution

A Christmas tree basket contains 20 different treats.
10 Christmas tree cakes, 4 Rice Krispy treats, and 6 brownies
Drawing a 2 treat from basket one is a brownie and one is a Rice Krispy treat = 6 / 20 * 4/20 = 24/ (20)^2 = 0.06