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Many heads (Posted on 2004-12-13) Difficulty: 3 of 5
What is the expected number of times you must toss a (fair) coin until you get n consecutive heads?

See The Solution Submitted by e.g.    
Rating: 4.3333 (3 votes)

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  Subject Author Date
SolutionWhat?Math Man2011-06-27 21:49:06
SolutionSolutionMath Man2011-04-24 22:27:29
answerK Sengupta2007-04-17 12:13:00
A harder problemCharlie2004-12-15 14:08:14
Nice One, CharlieRichard2004-12-13 22:10:02
SolutionsolutionCharlie2004-12-13 19:44:06
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