utc for the sake of anyone reading this in the future expected value is actually fairly easy to determine a barely simplified version of the formula for this discussion is number of decisions average bet house edge expected value on a single number single spin bet of as the table suggests the ev according to that formula is decision bet edge rounded for spins at the ev is meaning the casino wins as stated to determine the player's edge for a straight up bet take the chances of winning multiplied by the payout plus the chances of losing multiplied by the loss or a loss of per dollar bet if you do the math this is the same edge for any double zero wheel bet except for the top line as a random side note to quickly determine the payout for any combination of numbers numbers bet payout for example a street is three numbers so therefore a street pays february