User talk:Bobthesmartypants
Revision as of 19:10, 19 May 2013 by Bobthesmartypants (talk | contribs) (Created page with "==Bobthesmartypants's question collection== 1. Bob is rolling a <math>6</math>-sided die. Every time he rolls a number that he has already rolled before, he rolls again. He stops...")
Bobthesmartypants's question collection
1. Bob is rolling a 
-sided die. Every time he rolls a number that he has already rolled before, he rolls again. He stops when he has rolled all the numbers. What is the expected number of rolls it will take Bob?
