I was refreshing myself of the basics of probability on wolfram for coin toss.(adsbygoogle = window.adsbygoogle || []).push({});

mathworld.wolfram.com/CoinTossing.html

At 1) , how did they get 9/14 for the probability that THTH occurs before HTHH ?

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# Finding the probabiliy that event THTH occurs before HTHH

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