Brainteaser iconBrainteaser - Keeping up with the Coins

Keeping up with the Coins
Probability
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xxx xxx xxxxx xxx xxxxxxx x xxxx-xxxxxxx xxxx. xxx'x xxxx xxxxx xx xxxxx xxxx x xxxxxxxxxxx xx \(\xxxx{x}{x}\), xxx xxxxx'x xxxx xxxxx xx xxxxx xxxx x xxxxxxxxxxx xx \(\xxxx{x}{x}\). xxxx xxxx xxxxx xxxxxxx xxxxx xxxxx, xxxxxxxx xxxx xxx. xxx xxxxx xxxxxx xx xxxx x xxxxx xxxx. xxxx xx xxx xxxxxxxxxxx xxxx xxx xxxx xxx xxxx?

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