:It's not my area of expertise, but it appears the calculation was "simplified for the case of doubling a bet." <samp>(2 * Probability of Winning) - 1</samp> comes out to 50%. [[User:Margotbean|margotbean]] ([[User talk:Margotbean|talk]]) 14:24, 20 July 2021 (UTC) | :It's not my area of expertise, but it appears the calculation was "simplified for the case of doubling a bet." <samp>(2 * Probability of Winning) - 1</samp> comes out to 50%. [[User:Margotbean|margotbean]] ([[User talk:Margotbean|talk]]) 14:24, 20 July 2021 (UTC) |