Question

A pizza parlor has 12 different toppings available for its pizzas, and 2 of these toppings are pepperoni and anchovies. If a customer picks 2 toppings at random, find the probability that neither topping is anchovies.

Round your answer to four decimal places.

Answer 1

first pick

p anchovies = 1/12
p not anchovies = 11/12

second pick
you now only have 11 toppings one of which is anchovies
p anchovies = 1/11
p not anchovies = 10/11

11*10/(11*12) = 10/12 = 5/6


p neither anchovies =

Answer 2

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