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From: dixon@ihuxa.UUCP
Newsgroups: net.math
Subject: Re: A statistics paradox
Message-ID: <271@ihuxa.UUCP>
Date: Sat, 17-Sep-83 18:38:07 EDT
Article-I.D.: ihuxa.271
Posted: Sat Sep 17 18:38:07 1983
Date-Received: Sun, 18-Sep-83 13:31:53 EDT
Organization: BTL Naperville, Il.
Lines: 9

For a population of 2 and the probability that something will happen to
any of the members being 1/2 (and assuming independent probabilities),
then the probability that something will happen to at least one of the
members is P(something will happen to member 1 but not member 2) +
P(something will happen to member 2 but not member 1) + P(something will
happen to both members 1 and 2) = .25 + .25 + .25 = .75 (rather than 1 as
claimed).

d a dixon    ihuxa!dixon