Question 1080624
Check this article out:https://wizardofodds.com/games/craps/appendix/1/
This article explains the various derivations of craps odds (assuming you know how to play the game. By the way, the house edge, with these probabilities, is 251-244/495=1.414141%. Not much of an edge , but enough to keep casinos rich. ☺☺☺☺