*> There's no need for a source. It's common knowledge. Many books, websites, an... | Hacker News

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jhardy54 on July 20, 2015 | parent | context | favorite | on: The Coin Flip: A Fundamentally Unfair Proposition?...

> There's no need for a source. It's common knowledge. Many books, websites, and research papers have extensively studied those games.

It's obviously not common knowledge to the person that's asking the question. :~) Thanks for the source though.

mod on July 20, 2015 [–]

That one person doesn't know it doesn't mean it's not common knowledge.

That said, the edge is not always below 1%. It varies based on the rules. Some games don't allow a surrender, for instance, which changes the edge pretty drastically.

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