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Misha comments on A Problem with Human Intuition about Conventional Statistics: - Less Wrong Discussion

-1 Post author: Kai-o-logos 20 April 2011 11:41PM

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Comment author: [deleted] 21 April 2011 04:43:42PM 3 points [-]

Conditional probabilities are allowed to be 100%, because they are probability ratios. In particular, P(A|A) is 100% by definition.

Comment author: Kai-o-logos 21 April 2011 05:18:26PM -1 points [-]

But P(E|D) is not 100% by any definition. Conditional probabilities are only 100% if

D-->E. And if that was true, why does this argument exist?