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July 31, 2015

Homework Help: Math

Posted by Stuck on Wednesday, December 16, 2009 at 7:37pm.

A pizzeria offers 8 different ingredients on its pizza. Andy chooses 3 different ingredients from the 8 by drawing the names from a hat. What is the probability that Andy chooses either mushrooms or pepperoni or both among his three ingredients?

The answer is 9/14, but how do you get it?

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