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 Spider and Fly (Posted on 2003-11-25)
A spider eats 3 flies a day. Until the spider fills his quota a fly has a 50% chance of survival if he attempts to pass the web.

Assuming 5 flies have already made the attempt to pass, what is the probability that the 6th fly will survive the attempt?

 See The Solution Submitted by Ravi Raja Rating: 3.6250 (8 votes)

 Subject Author Date Puzzle Solution K Sengupta 2009-02-26 15:34:03 Answer K Sengupta 2009-02-15 15:36:15 re(3): simpler computation SilverKnight 2003-12-04 16:55:15 re(2): simpler computation Bob Genisot 2003-12-04 16:31:08 re: Easier than it sounds... Lee 2003-12-03 23:57:12 Easier than it sounds... Magick321 2003-12-03 22:53:38 Solution? Prab 2003-11-28 00:30:00 spider and fly Ed Lunn 2003-11-26 18:19:49 none Lee 2003-11-26 13:53:19 Solution Clinton Heath 2003-11-26 12:24:57 re: Solution to a strange question krdmt5_000 2003-11-25 16:23:48 Solution to a strange question krdmt5_000 2003-11-25 16:18:30 re(3): simpler computation Robin Gatter 2003-11-25 12:13:45 re(2): simpler computation Charlie 2003-11-25 10:36:38 re: simpler computation SilverKnight 2003-11-25 10:10:59 simpler computation Charlie 2003-11-25 09:58:41 re: just a little correction in my text SilverKnight 2003-11-25 09:46:00 well, I was wrong - corrected solution Saso 2003-11-25 09:45:18 just a little correction in my text Saso 2003-11-25 09:23:40 solution SilverKnight 2003-11-25 09:19:08 solution Saso 2003-11-25 09:18:32

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