I think they summed up multiple coin tosses (say 10). Then "scold" or "praise" the losers/winners with lowest/highest sum of 10 tosses. (So you get a probably d

I think they summed up multiple coin tosses (say 10). Then "scold" or "praise" the losers/winners with lowest/highest sum of 10 tosses. (So you get a probably distribution and regression towards the mean.)