Brainteaser - Light Bulbs
Light Bulbs
Probability
Jane Street
x \(x \xxxxx x\) xxxx xx xxxxx xxxxx xx xxxxxx, xxxxx xxxx xxxxx xxxx xx xxxxxxx xx xxxx x xxxxxxxxxxx xx \(\xxxx{x}{x}\). xxxx xx xxx xxxxxxxxxxx xxxx xx xxx xxxxxxxx xxxxx xxxxx (x.x., xxxxx xx xxxxx xxxx xxxxx x xxxxxx xxxx) xxx xxxxxxx xx?
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