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October 2001, Week 4

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Subject:
Re: OT: Cosmic Ruminations?
From:
Dennis Handly <[log in to unmask]>
Reply To:
Dennis Handly <[log in to unmask]>
Date:
Fri, 26 Oct 2001 05:46:12 -0600
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Wirt Atmar ([log in to unmask]) wrote:
: Similarly, what's the probability that a one in three chance occurs if you
: (or God) take three shots at it.
: 1 3 3 1
: Again, the probability becomes 1 - (1/3)^3, or 8/9ths.

Are you sure you want 1 3 3 1?  This is for (1/2)^3, or 7/8ths, 3 chances
of 1 in 2.
(And the expression you had is 26/27ths.)

Of course of you take 1 3 3 1 and insert a=2 and b=1 (and divide by 3^3)
you get:  8 12 6 1, again with the 1 - 1/27

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