Cards 2

2013-05-19

An occurance is two cards with the same rank next to each other.

Chance of two occurances anywhere in the n drawn cards?

ex, n = 13: 9K5QQ85476299
               ^^      ^^

Chance of two occurances next to each other?

ex, n = 13: 3877JJ27121K6
              ^^^^

Three occurances anywhere?

Three occurances next to each other?