Probability

Biased Coin Ruin

Difficulty
xxx xxxxx xxxx $xx xxx xxxxxxxxxx xxx $x xx xxxxxxxxxxx xxxxx xx x xxxxxx xxxx. xxxxx xxxxxx xxxx xxxxxxxxxxx \(xx\%\) xxx xxxxx x xxx xxxxxx xx $x; xxxxx xxxxxx xxxx xxxxxxxxxxx \(xx\%\) xxx xxxxx xxxx $x xxx. xxx xxxx xxxx xxxx xxxxxxxx xxxxxxx $xx xx xxx xx xxxxxxxx. xxxx xx xxx xxxxxxxxxxx xxxx xxx xxxxx xxxx $xx?

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