A henway simulation with 4 players and 1000 trials

Game Players
1 2 3 4

Rank # of Wins /
# of Occurances
Chance of
Occurance
Chance of
Winning
Chance of
being the
winning hand
Straight Flush 17/17 0.4% 100% 1.7%
Four of a Kind 55/55 1.4% 100% 5.5%
Full House 575/869 21.7% 66.2% 57.5%
Flush 213/718 18% 29.7% 21.3%
Straight 108/773 19.3% 14% 10.8%
Three of a Kind 5/86 2.2% 5.8% 0.5%
Two Pair 27/1373 34.3% 2% 2.7%
One Pair 0/109 2.7% 0% 0%
High Card 0/0 0% NAN% 0%