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Russian Roulette (Posted on 2010-06-08) Difficulty: 4 of 5
Eight men, including Colonel Mustard, sit at a round table, for a modified game of Russian roulette. They are using a six chamber revolver which has been loaded with 5 bullets.

The game begins by one of the men reaching into a hat, and randomly drawing the name of the first player.

If the first player survives his turn, the gun is handed to his adjacent clockwise neighbor, and his name is immediately returned to the hat.

If the first player loses, his name is thrown away, and the men pull from the hat, and choose the name of the next player.

The game is continued in such a way until either all five bullets have fired, OR a player survives his turn, but no longer has an adjacent clockwise neighbor to pass the gun to.

What is the probability that the Colonel will survive the game?

(Note that the chamber is spun every time a player takes his turn).

No Solution Yet Submitted by John zadeh    
Rating: 4.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Somebody must dieSteve Herman2010-06-10 16:57:20
Outcomesed bottemiller2010-06-09 17:45:27
Some ThoughtsMore complicated than I thought. How to do it.Jer2010-06-09 15:56:32
SolutionExact solutionCharlie2010-06-09 14:22:27
re: Implications?broll2010-06-09 14:06:51
Implications?ed bottemiller2010-06-09 10:57:03
Solution"Exact" solutionCharlie2010-06-09 01:51:32
Some ThoughtsFirst ThoughtsSteve Herman2010-06-08 14:46:17
Empty seats.Jer2010-06-08 14:38:31
Some Thoughtssimulation resultsCharlie2010-06-08 14:14:29
re: Restarting the Cold War??Charlie2010-06-08 13:14:02
Restarting the Cold War??ed bottemiller2010-06-08 12:59:52
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