probability
The Urth list — 1 messages, 1 voices, 07 Sep 2014
https://urth.darkrealm.vip/thread/urth/6657

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Marc Aramini — 07 Sep 2014, 12:39

I am thinking it is 1/6 every day.  Second day 1/5 times chance it is still
there 5/6 ... 1/6

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