Probability

Racing to the Threshold

Difficulty
xxx xxx xxx xxxxx xxxx xxxxxx xx xxxx. xxxx xxxxxx, xxx xxxx x xxxx xxx-xxxxx xxx xxx xxx xxx xxxxxx xx xxxx xxxxx, xxxxx xxx xxxx x xxxx xxxx xxx xxxxxxxxxx xxxxxxx xxxxxxxxxxxx xx \([x,x]\). xxx xxxxx xxx xxxxx xxx xxxxxxxxxxx. xxx xxxxx xxxxxx xx xxxxx xx xxxxxx \(xxx\) xxxx; xxxxxxxxxxxx xxxxxxxx xxx xxxx. xxx xx xxxx xxxxxx xx xxx? xxxx x xxxxxxxx xxxxxxxxxxxxx.

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