Is it possible for all the oxygen molecules in the room, which are moving around randomly, to randomly all move to one corner so everyone is breathing just nitrogen for a while and they die?

Is is possible for a World Cup soccer game to have a score of, say, 24 to one?

Is is possible for a tennis match to go on for several days because, after all, there is no limit on how many times they can bounce the ball back and forth across the net?

Yes.