Re: Are you sure?

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Article #2485

#2485

From: David Karr
Date: Mon, 25 Jan 1993 14:57

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In article <1993Jan22.131719.36@janus.arc.ab.ca> morgan@arc.ab.ca (Sean Morgan) writes:
>You meet the daughter of a friend of yours on the street.  You know
>that your friend has two children.  You think to yourself, "Ignoring
>the occurrence of twins, and sex-linked differences in birth rates
>and infant mortality, what are the odds of this girl's sibling also
>being a girl?"

Which of my friends did you have in mind?  Then I can tell you whether
the odds are 0% or 100%.

-- David Karr (karr@cs.cornell.edu)

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Message-ID: <1993Jan25.145759.2592@cs.cornell.edu>

Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!udel!rochester!cornell!karr

References: <1993Jan22.131719.36@janus.arc.ab.ca>

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Newsgroups: rec.puzzles
Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!udel!rochester!cornell!karr
From: karr@cs.cornell.edu (David Karr)
Subject: Re: Are you sure?
Message-ID: <1993Jan25.145759.2592@cs.cornell.edu>
Organization: Cornell Univ. CS Dept, Ithaca NY 14853
References: <1993Jan22.131719.36@janus.arc.ab.ca>
Date: Mon, 25 Jan 1993 14:57:59 GMT
Lines: 14

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