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Concept:
If all 6 runners are equally likely to win, each has probability 1/6 to win.
The full finish order has 6! possible outcomes, each with probability 1/6!.
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Example:
In a 6-runner race with equal ability, P(Runner A wins) = 1/6 ≈ 16.7%.
If you want a specific complete order (A first, B second, C third, D fourth, E fifth, F sixth), its probability is 1/
720.