Poker probability frequencies are calculated in a manner similar to that shown for 5-card hands, except additional complications arise due to the extra two cards in the 7-card poker hand. The total number of distinct 7-card hands is formula_3. It is notable that the probability of a no-pair hand is "less" than the probability of a one-pair or two-pair hand. The Ace-high straight flush or royal flush is slightly more frequent (4324) than the lower straight flushes (4140 each) because the remaining two cards can have any value; a King-high straight flush, for example, cannot have the Ace of its suit in
Video poker (6-7-8), once common but now rare, is one of the highest return versions of video poker offered, but the play strategy is very complex and mastered by few. "Deuces Wild" is a variation of video poker in which all twos are wild. (Wild cards substitute for any other card in the deck in order to make a better poker hand). In Deuces Wild, the payout for a four of a kind makes up approximately ⅓ of the payback percentage of the game, and a four of a kind occurs on average approximately every fifteen hands. Deuces Wild can be found