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A spinner will move along one of two paths every time you spin it (clockwise or anti-clockwise). There is no variation in the spin which could occur with dice, such as bounce, roll, etc. It's always travelling consistently along one path. This means that the distance it travels is always dependent upon how much force was used to spin it. Therefore, if ...


I can think of two mathematical measures that might be useful, both based around Elo ratings. Is the correct Elo distribution function. Let's suppose Player B beats Player A 64% of the time, and Player C beats Player B 64% of the time. How often does Player C beat Player A? Generally, speaking, the higher the number, the less of a role luck plays, though ...


Compare the Expected value to the Standard Deviation. The higher the luck factor in the game, the higher S.D(X) - E(X). For example, lets look at a game of Poker with high and low amount of luck: Assume a player that have a small edge over a Poker table, meaning that her expected value is positive E[X]>0, now In a single round of Poker, the result is ...


Even though I am not 100 percent clear about the game you are proposing (especially what happens when both players choose the same colour) clearly this is no skill game. The optimal strategy is to always take red and beating this strategy can only be done with luck.

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