Forty teams play a tournament. Each team plays every other team just once. Each game results in a win for one team. If each team has a 50% chance of winning each game, the probability that at the end of the tournament, every team has won a different number of games is

Forty teams play a tournament. Each team plays every other team just o

1.	Forty teams play a tournament. Each team plays every other team just once. Each game results in a win for one team. If each team has a 50% chance of winning each game, the probability that at the end of the tournament, every team has won a different number of games is
A.	\[1/780\]
B.	\[40!/{{2}^{780}}\]
C.	\[40!/{{3}^{780}}\]
D.	none of these
Answer» C. \[40!/{{3}^{780}}\]

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Forty teams play a tournament. Each team plays every other team just once. Each game results in a win for one team. If each team has a 50% chance of winning each game, the probability that at the end of the tournament, every team has won a different number of games is

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