AOL Keyword Tool

AOL has released more than 20M web queries collected from ~650k users over three months (from March 1, 2006 - June 1, 2006). We'd like to present an easy web interface to analyze current data enhanced by most advanced stats.
 Keywords  Unique Users  Search Volume  Top Clicked Position  Most Users Ended Up
the number n is randomly selected from the set 1 2 ... 10 1 2 1 http://mathforum.org
the number n is randomly selected from the set 1 2 ... 10 with each number being equally likely. what is the probability that 2n - 4 is greater than n 1 1 0