Riddles and facts and quotes oh my   [ Axioms | Random facts | Random thoughts | Bumper stickers| Albert einstein quotes | Stupid quotes ] [ Difficult riddles | Words of wisdom | Deep thoughts| Art gallery ] Bulletin board | Riddles forum | Facts forum | Quotes forum | Jokes forum  FAQ   Search   Memberlist   Usergroups   Profile   Log in to check your private messages   Log in    Register  Hard one!          Some Guy.com Forum Index -> Difficult Riddles View previous topic :: View next topic   Author Message Sean Guest Posted: Fri Jan 06, 2006 1:35 pm    Post subject: Hard one! How many randomly choosen people have to be put into a room to ensure that the chances of at least two of them having a birthday on the same date is 50/50. Back to top Ace_McCloud New Member Joined: 06 Jan 2006 Posts: 16 Posted: Fri Jan 06, 2006 4:51 pm    Post subject: 2 should be all you need for a 50/50 chance. Back to top Riddleman Site Admin Joined: 18 May 2005 Posts: 598 Posted: Sun Jan 08, 2006 7:35 am    Post subject: Ny guess is 730...is that close? Hey this is my 101 post...yea Back to top Sean Guest Posted: Mon Jan 09, 2006 8:11 am    Post subject: Nither guess is close. Back to top jamz New Member Joined: 07 Jan 2006 Posts: 17 Posted: Tue Jan 10, 2006 3:58 am    Post subject: any amount you want Back to top ory Guest Posted: Wed Jan 11, 2006 4:02 pm    Post subject: i think 189 people Back to top Sean Guest Posted: Fri Jan 13, 2006 9:44 am    Post subject: Nobody is close and nobody seems too taxed about the answer either so I won't give it. Back to top jamz New Member Joined: 07 Jan 2006 Posts: 17 Posted: Sat Jan 14, 2006 5:37 am    Post subject: 50 people? Back to top chelsea Guest Posted: Tue Jan 17, 2006 3:41 am    Post subject: 30. or 15. something like that. Back to top Sean Guest Posted: Thu Jan 19, 2006 4:17 pm    Post subject: Answer Well you seem to be converging on the right answer. The correct number is 23 now figure that one out! Back to top Riddleman Site Admin Joined: 18 May 2005 Posts: 598 Posted: Thu Jan 19, 2006 7:40 pm    Post subject: Re: Answer Sean wrote: Well you seem to be converging on the right answer. The correct number is 23 now figure that one out! I do not understand that whatsoever. Back to top snypanama Guest Posted: Thu Jan 26, 2006 11:58 pm    Post subject: maybe atleast 4 peopel in the room to get a 50/50 chance. two have the sam other two dont. Not sure at all.but its just a guess Back to top Unclever title Guy Who Loves This Site Joined: 04 Apr 2006 Posts: 231 Location: A place Posted: Wed Apr 05, 2006 1:48 am    Post subject: This must be a math related riddle, am I right? I really don't feel like trying to figure that out. I stink at probability figures... Back to top Riddleman Site Admin Joined: 18 May 2005 Posts: 598 Posted: Tue May 02, 2006 4:41 pm    Post subject: not getting it Back to top BobaFunk New Member Joined: 06 Aug 2009 Posts: 28 Posted: Fri Aug 07, 2009 6:52 pm    Post subject: it's 23. it's called the birthday paradox. huge math problem Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         Some Guy.com Forum Index -> Difficult Riddles All times are GMT Page 1 of 1   Jump to: Select a forum The Forums----------------Site NewsQuestions and CommentsIf You Find Spam... Spectacular----------------Truly Spectacular Video LinksSome Guy's Recommended Video LinksSpectacular Games Quotes----------------Quotes forumWords Of Wisdom Facts----------------Funny FactsAmazing Facts Riddles----------------Easy RiddlesDifficult Riddles Jokes----------------DirtyJokes Up For Debate----------------Conspiracy TheoriesImportant / Volatile Topics  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum [ Different sources of electricity | Renewable energy | Mystery Shoppers | Strange Facts | Organic Food | Loren Hall | Portland search engine optimization ] Powered by phpBB