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In the roulette game, you can bet on dozens, that means, betting to 12 numbers which are placed separately along the wheel. (12 out of 37 total numbers).

But I had this curious doubt. if you bet on a sector of the roulette, composed by 12 numbers.... the likelihood is really the same as before?

I know that I'd still be 12/37, but from my point of view, it is easier to obtain that sector as the outcome as it is, physically, a part/section of the roulette.

Let's say we want to do a Martingale (increasing the wager each time that we fail)

Wouldn't it be easier for a dozen than for a sector to be more many times without turning out?

Because on a dozen, if it will turn out or not, basically depends on randomness; amount of rebound and so on.

But on a sector, it depends in more general physical factors.

Thanks for your opinions!

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# I Are these alleged equal probabilities really equal?

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