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On Average (Posted on 2004-01-26) Difficulty: 4 of 5
What is the expected number of rolls of a fair, normal 6-sided die, one is required to make, so that each of the 6 numbers comes up at least once?

Hint: this is not necessarily an integer answer
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As an aside, it would be interesting to see the computer program simulation of this, but this would not be proof of the solution (merely evidence supporting the proof).

See The Solution Submitted by SilverKnight    
Rating: 3.7500 (4 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
AnswerK Sengupta2007-05-04 15:04:13
A solutionVincent2004-03-09 14:15:17
re(2): solutionCharlie2004-01-26 23:04:56
re: The other answersCharlie2004-01-26 22:44:38
re: solutionSam2004-01-26 21:19:23
re: The other answersPenny2004-01-26 20:42:33
The other answersCharlie2004-01-26 17:28:13
re(2): solution plus simulation-- and another question or twoCharlie2004-01-26 14:58:49
re: solution plus simulation-- and another question or twoSilverKnight2004-01-26 14:12:22
solution plus simulation-- and another question or twoCharlie2004-01-26 14:02:07
SolutionSolutionFederico Kereki2004-01-26 13:16:08
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