Probability

The Unknown Bias Coin

Difficulty
x xxxx xxx xx xxxxxxx xxxxxxxxxxx \( x \) xx xxxxxxx xxxxx, xxxx \( x \xx [x,x] \). xxx xxx xxx xxxx \( x \), xxx xx xxxxxxxx xxxxx, xxx xxxx xxxxx xxxxx xx xxxxx xxxxxx x xxxxxx xxxx. xxx xxx \( \$x \) xx xxxxxxx xxx xxxxxxx xxxxxxxxx. xxxx xx xxx xxxxxxxx xxxxx xx xxx xxxx, xxx xxxx xxxxx xxxxxxxxxx xxxxx xx xxxxxx xxx x xxxxxxxxx xxxxxx?

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