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 Coin tossing (Posted on 2004-06-11)
I threw a coin n times, and never got three tails in a row. I calculated the odds of this event, and found out they were just about even; 50%-50%. How many times did I throw the coin?

A second question: what were the chances of having not gotten three heads in a row either?

 See The Solution Submitted by Federico Kereki Rating: 3.6667 (6 votes)

 Subject Author Date simulations Charlie 2004-06-17 11:12:25 The first part now, re: Now that I know... Charlie 2004-06-17 08:51:29 Now that I know... Charlie 2004-06-16 21:04:17 Answer to the second question Ruopeng Wang 2004-06-16 11:11:29 Solution? Ruopeng Wang 2004-06-16 10:57:59 re(5): Markov chain solution - 2nd part Charlie 2004-06-15 13:06:13 re(4): Markov chain solution - 2nd part Federico Kereki 2004-06-15 10:43:45 re: Technically Speaking Charlie 2004-06-14 22:39:15 Technically Speaking Jeremiah 2004-06-14 21:14:37 re: Markov chain solution - 2nd part Charlie 2004-06-13 13:49:52 re: Exhaustion--1st and 2nd questions--the program Charlie 2004-06-13 11:53:37 Exhaustion--1st and 2nd questions Charlie 2004-06-13 11:25:55 re(3): Markov chain solution - 2nd part Charlie 2004-06-13 10:32:10 re(2): Markov chain solution - 2nd part Oskar 2004-06-13 10:24:11 re: Markov chain solution - 2nd part Charlie 2004-06-13 00:40:26 Markov chain solution - 2nd part Oskar 2004-06-12 23:09:11 Markov chain solution - 1st part Oskar 2004-06-12 23:04:29 Markov chain solution Oskar 2004-06-12 22:55:14 re(2): solution Charlie 2004-06-12 10:15:33 re: solution Oskar 2004-06-12 00:04:51 drat rixar 2004-06-11 18:30:16 simpleton's guess rixar 2004-06-11 18:23:13 solution Charlie 2004-06-11 15:50:05 Solution Nick Hobson 2004-06-11 15:43:57 Solution? Erik O. 2004-06-11 14:12:46

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