Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10 5/3/83; site umcp-cs.UUCP Path: utzoo!linus!decvax!harpo!seismo!rlgvax!cvl!umcp-cs!chris From: chris@umcp-cs.UUCP Newsgroups: net.math Subject: Re: simple (?) statistics problem solved Message-ID: <2064@umcp-cs.UUCP> Date: Mon, 22-Aug-83 05:09:11 EDT Article-I.D.: umcp-cs.2064 Posted: Mon Aug 22 05:09:11 1983 Date-Received: Mon, 22-Aug-83 10:25:24 EDT References: <19@ism780.UUCP> Organization: Univ. of Maryland, Computer Science Dept. Lines: 16 Ok, now that that one is solved, try this: Same setup; three cabinets of two drawers each, one cabinet contains a silver coin in each drawer, one a gold in each drawer, and one a sliver coin in one and a gold in the other. Now, suppose you open the bottom drawer of a cabinet, and see a gold coin. What is the probability that the other coin is also gold? Someone asked me this after I told him about the other problem, and I answered without thinking and (I'm ashamed to say) incorrectly. Chris ("I'll take the gold coins, they're worth more") Torek -- In-Real-Life: Chris Torek, Univ of MD Comp Sci UUCP: {seismo,allegra,brl-bmd}!umcp-cs!chris CSNet: chris@umcp-cs ARPA: chris.umcp-cs@UDel-Relay