The probability behind casino games: house edge, odds, and expected value worked out in plain numbers so you can see exactly where the math leads.
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Any 7 pays 4:1 and hits 1 in 6 — house edge 16.67%. Hardways, Yo, Any Craps all sit in the same neighborhood. Here's the dice math behind every prop.
Doubling 11 vs dealer 6 has EV around +$0.66 per dollar. Doubling 9 vs 2 is borderline. Here's the EV curve behind every double-down decision.
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