The true mathematical odds against, say, a single-number bet are 36/1, but the payout is just 35/1, which creates a house edge of 2.7%.
As the name suggests, single-zero roulette is played with a wheel consisting of 37 numbered pockets, including a single green zero. Single-zero roulette, also known as ‘French’ or ‘European’ roulette, is the standard, traditional form of the game outside the United States.
The simple answer is very favourably, indeed.
