Lets say I have a 52 card deck of playing cards. I am trying to find how likely it is that after drawing 7 cards, I have drawn at least one 4, assuming I have put none of the drawn cards back in the deck at any point after drawing them. How would I find this?

## Nathanfenner

Count the number of ways to draw 7 cards from a deck

Count the number of ways to draw 7 cards from a deck where at least one of them is a 4*

Divide

Note: figuring out 2 might be easier if you instead count the number of ways to draw 7 cards where

noneare 4