why is H/T equal to 2p(1-p) rather than p(1-p)? | Hacker News

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		granfalloon on Oct 20, 2011 \| parent \| context \| favorite \| on: How to turn a biased coin into a Fair Coin why is H/T equal to 2p(1-p) rather than p(1-p)?

mkl on Oct 20, 2011 [–]

HT is p(1-p), and TH is also p(1-p), so HT/TH (i.e. either of these) is 2p(1-p).

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