Marketing and Consumer Behavior Delorenzo's Pizza offers five different toppings on its pizzas: pepperoni, sausage, olives, mushrooms, and anchovies. A large pizza comes with any two different toppings.
a. How many different two-topping pizzas are possible?
b. Suppose that all of the pizzas are equally likely. What is the probability that the next pizza ordered has at least one meat topping?
c. What is the probability that the next pizza ordered does not have anchovies?
d. Suppose one more large pizza choice is added: plain cheese with no toppings. Answer parts (b) and (c) with this added assumption.