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 1 as the table suggests the EV according to that formula is 1 decision 1 bet 0 053 edge rounded 0 053 For 10 000 spins at 1 the EV is 530 meaning the casino wins 530 as stated To determine the player s edge for a straight up bet take the chances of winning 1 38 multiplied by the payout 35 plus the chances of losing 37 38 multiplied by the loss 1 1 38 35 37 38 1 0 05263 or a loss of 0 05263 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 36 numbers bet 1 payout For example a street is three numbers so 36 3 1 11 therefore a street pays 11 1 08 24 17 February 2012