Probability

Leading Flips

Difficulty
xxxxxxx xxx xxxx x xxxx xxxx xx xxxxx. xx xxx x xxxxxxx xxxxxxx (xxxxxx xxxxx xx xxxxx) xx "xxxxxxx" xxxxx \( x \) xxxxx xx xxxxx xxx xxxxxxxx xxxx xxxx \(\xxxx{x}{x}\) xxxxx xx xxxx xxxxxxx xxxxxx xxx xxxxx \( x \) xxxxx. xxxx xx xxx xxxxxxxxxxx xxxx xxx xxxxxxx xx xxx xxxxx xxxx xx xxx xxxx xx xxxxxxx xxxxx xx xxxxx?

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