Brainteaser iconArriving Friends II - Brainteaser

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Arriving Friends II

Probability
Hard
xxxxx xxx \(x\) xxxxxxx xxx xxxxxxxxxxxxx xxxxxx xx x xxxxxxx, xxxx xxxxxxxxx xx xxxxxx xxxx xxx xxxx xxxx \(x{:}xx\) xx \(xx{:}xx\). xxxx xxxxxx xxxxx xxxxxxx \(x\) xxxxxxx xxxxx xxxx xxxxxx xxx xxxx xxxxxx; xxxxxxxxxxxx, xxxxxx \(x\) xx xxxxxxx xx xxx xxxxxxxx \([x_x, x_x+x]\) xxxxxxx. xxxx xx xxx xxxxxxxxxxx xxxx xxx \(x\) xxxxxxx xxx xx xxx xxxxxxx xxxxxxxx xx xxxx xxxxxx (x.x., xxx xxxxxxxxxxxx xx xxx xxxxxxxx xxxxxxxxx xx xxxxxxxx)?
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