Probability

An Odd Number of Swaps

Difficulty
xxxxx xxxxx xxx xxxxxxxx xxxx xxxx xx xxxxx: xxx, xxxxxx, xxxx. xxxx xxxx xxxxx xxx xxxxxxxxx xx xxx xxxxxxxx xxxxxx xxxxx. xxxxx xxxxxxx \(xx\) xxxxx, xxxx xx xxx xxxxxxxxxxx xxxx xxx xxxxx xxxxx xxx xxxx xx xxxxx xxxxxxxx xxxxxxxxx?

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