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Are straights allowed to "wrap around"? For example, QKA23--I remember when we did counting problems in class with cards, it was ok--jdrummon


No, The low card for straights is Ace, as well as the high card. e.g. A2345 is the lowest straight 10JQKA is the highest straight ---Aaron 00:44, 19 February 2009 (UTC)

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my idea was

|hands with distinct cards| - (|straights| + |flushes| - |straight flushes|)

but result is negative number. any idea?


That's basically the right formula. Quick tip: you should be getting more around .5 for the probability when you are done. -mkburges

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Alright, could someone please explain number 19, I partly understood it but not completely. I have to say, these are interesting problems and I like the thought process they take.

Kristen P.

Alumni Liaison

Abstract algebra continues the conceptual developments of linear algebra, on an even grander scale.

Dr. Paul Garrett