You walk up to a dice table in the casino.
A woman bets on $12$, throws the dice and they come up:
6 5 3 2
She shouts with glee as the dealer hands her the winnings.
She then bets on $14$ and rolls:
5 2 6 1
The dealer hands her winnings again.
Deciding to get in on the action you bet on $15$. She then rolls:
3 4 1 5
Did you win? Why/why not?