Bianca buys a bag of cookies that contains 8 chocolate chip cookies, 4 peanut butter cookies, 9 sugar cookies and 6 oatmeal cookies. What is the probability that Bianca randomly selects an oatmeal cookie from the bag, eats it, then randomly selects a chocolate chip cookie? Express you answer as a reduced fraction.

You randomly select one card from a​ 52-card deck. Find the probability of selecting the king of diamonds or the two of hearts.

Julia has eaten 12 doughnuts over the past few months. Of those doughnuts, 2 were maple doughnuts. What is the experimental probability that the next doughnut Julia eats will be a maple doughnut? Simplify your answer and write it as a fraction or whole number. P(maple doughnut) =

Liam and John are going to play video games this afternoon. Together, they have 30 video games. If they decide to randomly choose two video games, what is the probability that the two they choose will consist of each of their favorite video games? Assume they have different favorites. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.