The guys on one floor of a college dorm all decide to get pizzas to share. They get 3 pepperoni pizzas, 2 bacon pizzas, 1 cheese pizza, 3 sausage pepperoni pizzas, and 3 meat lovers pizzas with sausage, pep-peroni, and bacon. What is the probability of a randomly selected slice of pizza containing:
a. Bacon?
b. Pepperoni?
c. Sausage?