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September 24th, 2012, 03:20 AM  #1 
Newbie Joined: Sep 2012 Posts: 2 Thanks: 0  Expected number of attempts, when random pick 1 out of 5
I have trouble finding a method to estimate the most likli number of attemppts i following problem setup! Five boxes, 4 empty and one with a candy bar! How many attempts would likli be expected to perform to pick the one with the candy bar. How would you calculate this? please elaborate and explain your approach. References or links are very welcome. thanks in advance! 
September 24th, 2012, 03:28 AM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,822 Thanks: 1049 Math Focus: Elementary mathematics and beyond  Re: Expected number of attempts, when random pick 1 out of 5 
September 24th, 2012, 04:06 AM  #3 
Newbie Joined: Sep 2012 Posts: 2 Thanks: 0  Re: Expected number of attempts, when random pick 1 out of 5
Interesting, this will lead my on track. :P


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attempts, expected, number, pick, random 
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