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    Re: Cocked hats, again.
    From: Paul Hirose
    Date: 2007 Mar 16, 13:40 -0700

    I wrote:
    > None of this depends on how the sights are distributed in azimuth. As
    > long as all three are equally likely to err toward or away, there's a
    > 25% probability that the true position lies within the triangle.
    That last sentence is ambiguous, possibly giving the impression that
    all three must merely have the same (not necessarily 50-50) probability
    of being toward or away. What I should have said is that *each* of the
    three must have a 50-50 probability of being toward or away.
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