How Many Bets Does It Take to Prove Your Edge?
A 4% edge at -110 takes about 2,260 bets to prove at 95% confidence. Here is the formula, the math, and what it means for your betting record.
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Notes on betting math, vig, and poker variance.
What the Vig Really Costs You (With the Math)
At -110 you must win 52.38% just to break even. Learn implied probability, how to remove the vig, and what juice costs you over a full season.