Im looking for the math principal for tricks like Szechaun Sampler..you know the triks where people choose several different items from different list and you total them and your prediciton matches..In me example people choose differnt food items from menus..there are several others but Im drawing a blank... I had this formula at one time and lost it. I understand its in Martin Gardner book but don't know which one or if its even available.
Thanks in advance
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