Poker probability The "nCr" function on most scientific calculators can be used to calculate hand frequencies; entering with and , for example, yields formula_2 as above. The royal flush is a case of the straight flush. It can be formed 4 ways (one for each suit), giving it a probability of 0.000154% and odds of 649,739 : 1. When ace-low straights and ace-low straight flushes are not counted, the probabilities of each are reduced: straights and straight flushes each become 9/10 as common as they otherwise would be. The 4 missed straight flushes become flushes and the 1,020 missed straights become no
Straight Flush originally assigned the Victor (unit-assigned identification) number 5 but on August 1 was given the triangle N tail markings of the 444th Bomb Group as a security measure and had its Victor changed to 85 to avoid misidentification with actual 444th BG aircraft. It was named "Straight Flush", purportedly based on a gambling penchant of Eatherly. From June to August it flew 11 training missions, and six combat missions in which "pumpkin bombs" (five-ton TNT bombs with the same handling characteristics as the nuclear weapons) were dropped on Japanese industrial targets. Eatherly's crew bombed Tokyo (20 July), Otsu (24 July),