Brainteaser iconTargets on a Line - Brainteaser

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Targets on a Line

Probability
Hard
Reported at: 2 firmsDE Shaw · DRW
xxxxx xxx xxxxxx xxxxxxx, \(x\) xxx \(x\), xxxx xxxxxxxxxx xxxxx ε xxx \(x\xxxx{x}ε\) (xxxxx ε xx x xxxx xxxxx xxxxxxxx xxxxxx), xxxxxx xx xx xxxxxxxxxx xxxx xxxx. xxxxxx \(x\) xx xxxxxxxx xx \(x_x = -x\) xxx xxxxxx xxx xxxxxxxx \([-x - ε, -x + ε]\), xxxxx xxxxxx \(x\) xx xxxxxxxx xx \(x_x = x\) xxx xxxxxx xxx xxxxxxxx \([x - x\xxxx{x}ε, x + x\xxxx{x}ε]\). xxx xxxx xxx xxxx xx xxxxx xx xxx xxxx, xxxxxx xx xxxxxxxx xxxx xxxxxxxxxxx xx xxxxxxx xxx xx xxx xxxxxxx. xxxx xxx xxxxxx xx xxxxxx xxxx xxxx xxxxx xx x xxxxxxx xxxxx \(μ\), xxx xxxx'x xxxxxxx xxxxxxxx xx xxxxxxxx xxxxxxxxxxx xxxx xxxx \(μ\) xxx xxxxxxxx x, xxxxxxx xx \(x \xxx x(μ, x)\). xxxx xxx xxxxx xx \(μ\) xxxx xxxxxxxxx xxxx xxxxxxx xx xxxxxxx x xxxxxx.
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