Yup, bias sounds a strong word. The roulette wheels always show different frequencies. Hamburg Spielbank table1 showed frequencies varying from 1 to 10 in 220 spins (one day). Did the top 12 numbers show the same trend the following day? I don’t know. I might take a chance and play them the following days. Frequencies from 7 to 10. There is a real chance some numbers will repeat sooner. I not saying it’s a bias.
Lets forget mechanics for a while. Look at random generators. All generate roulette numbers with different frequencies. Every random run looks a lot like a physical roulette wheel. The wheels are random too. But being mechanical, there is wear and tear.
I have a theory. The most physical roulette dealers have the greatest impact on wheel bias. The OP should bet on his observation for a while, with the special dealers spinning. Increase the bet a bit after a loss. He should quit if losing more than he can afford to. Live to play another day.
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