Article View: sci.math.stat
Article #555Re: Let's Make a Deal!
From: Charles Packer
Date: Mon, 28 Sep 1992 19:07
Date: Mon, 28 Sep 1992 19:07
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In article <28SEP199206381627@amarna.gsfc.nasa.gov>, packer@amarna.gsfc.nasa.gov (Charles Packer) writes... >Wait a minute, I thought I understood this a few months As pointed out to me by e-mail, I merely enumerated the situations where I would win. I restate the sample space to indicate where I would win by switching vs win by staying... I choose A, host chooses B, I stay with A 1/12 win by staying I choose A, host chooses B, I switch to C 1/12 I choose A, host chooses C, I stay with A 1/12 win by staying I choose A, host chooses C, I switch to B 1/12 I choose B, host chooses C, I stay with B 1/6 I choose B, host chooses C, I switch to A 1/6 win by switching I choose C, host chooses B, I stay with C 1/6 I choose C, host chooses B, I switch to A 1.6 win by switching Clearly, now, the probability of winning by switching is twice that of winning by staying.
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arc1-ca.pugleaf.net!sparky!uunet!noc.near.net!hri.com!spool.mu.edu!yale.edu!think.com!ames!nsisrv!amarna.gsfc.nasa.gov!packerReferences:
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Path: arc1-ca.pugleaf.net!sparky!uunet!noc.near.net!hri.com!spool.mu.edu!yale.edu!think.com!ames!nsisrv!amarna.gsfc.nasa.gov!packer From: packer@amarna.gsfc.nasa.gov (Charles Packer) Newsgroups: sci.math.stat Subject: Re: Let's Make a Deal! Message-ID: <28SEP199215070608@amarna.gsfc.nasa.gov> Date: 28 Sep 92 19:07:00 GMT References: <1992Sep24.235808.16425@leland.Stanford.EDU> <28SEP199206381627@amarna.gsfc.nasa.gov> Sender: usenet@nsisrv.gsfc.nasa.gov (Usenet) Organization: Dept. of Independence Lines: 20 News-Software: VAX/VMS VNEWS 1.4-b1 Nntp-Posting-Host: amarna.gsfc.nasa.gov