View Single Post
  #18  
Old 11-18-2007, 12:19 AM
Fly Fly is offline
Senior Member
 
Join Date: Jan 2006
Location: placing balls into cells
Posts: 2,075
Default Re: Need help conceptualizing the constant \"e\"

[ QUOTE ]

Here is a cooler problem, imo: show that the expected value of the # of people who get their hat back is 1, independent of n.

[/ QUOTE ]

How is this cooler? This is way easier to solve than the original problem, just use <font color="white"> indicator functions </font> &lt;---- answer in white.
Reply With Quote