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>Say the wheel moved in the same direction with the same force each time along with the ball, would the same number always hit?
Yes, assuming you also know everything about the initial state of the ball and wheel. If we know an objects initial state - such as its position, its velocity, its trajectory, the ball's material and thus its coefficient of rolling and sliding friction with the wheel, the air friction of the surrounding casino environment, etc. - then we have a textbook problem in classical dynamics to solve. However, even if we pick apart the physical processes that cause a roulette ball to follow the path it does, we cannot necessarily predict where it will land. Unlike paint molecules crashing into water, the causes are not too complex to grasp. Instead, the cause can be too small to spot: a tiny difference in the initial speed of the ball makes a big difference to where it finally settles. A difference in the starting state of a roulette ball - one so tiny it escapes our attention - can lead to an effect so large we cannot miss it, and then we say that the effect is down to chance.
>So what does that say about determinism and randomness?
Nothing, since as a previous commenter pointed out quantum effects are not negligible. In the case of a dynamical system like a teflon ball bouncing around a spinning roulette wheel, sensitivity to initial conditions and cascading effects of miniscule imprecisions in measurement aren't negligible either.
