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2019 CHMMC (Fall)
5
5
Part of
2019 CHMMC (Fall)
Problems
(1)
2019 Fall Team #5
Source:
4/17/2022
A tournament has
5
5
5
players and is in round-robin format (each player plays each other exactly once). Each game has a
1
3
\frac13
3
1
chance of player
A
A
A
winning, a
1
3
\frac13
3
1
chance of player
B
B
B
winning, and a
1
3
\frac13
3
1
chance of ending in a draw. The probability that at least one player draws all of their games can be written in simplest form as
m
3
n
\frac{m}{3^n}
3
n
m
where
m
,
n
m, n
m
,
n
are positive integers. Find
m
+
n
m + n
m
+
n
.
combinatorics