Re: Nice post professor ... Derivation?

From Stanford Wong's BJ21

Posted by Chris C on 18 Dec 1997, at 2:40 p.m., in response to Re: variance of shoe, posted by MathProf on 13 Dec 1997, at 6:04 a.m.

Nice explanation. This formula also appears in Theory of Blackjack, but without proof. (I have an old edition; maybe the latest edition includes the proof.) Is this formula easy to derive, and if so could you post it? Thanks.

Chris C

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