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Forty team play a tournament. Each team ...

Forty team 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 he end of the tournament, every team has won a different number of games is `1//780` b. `40 !//2^(780)` c. `40 !//2^(780)` d. none of these

A

`(1)/(780)`

B

`(40!)/(2^(780))`

C

`(40!)/(3^(780))`

D

none of these

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The correct Answer is:
B
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