Keegan buys Ia bag of cookies that contains 4 chocolate chip cookies, 4 peanut butter cookies, 6 sugar
cookies and 7 oatmeal raisin cookies. What is the probability that Keegan randomly selects an oatmeal
raisin cookie from the bag, eats it, then randomly selects another oatmeal raisin cookie? Express your
answer as a reduced fraction.