Consider the roulette wheel game where a player bets $1 on the ball land- ing on a single number when there are 38 numbered pockets. Then, if the ball lands on their number they receive $36 dollars back, otherwise they lose the one dollar bet. As- sume that the ball is equally likely to land in any of the 38 numbered pockets on the wheel. Find the variance of the random variable describing the betting results from this game.

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Consider the roulette wheel game where a player bets $1 on the ball land- ing on a single number when there are 38 numbered pockets. Then, if the ball lands on their number they receive $36 dollars back, otherwise they lose the one dollar bet. As- sume that the ball is equally likely to land in any of the 38 numbered pockets on the wheel. Find the variance of the random variable describing the betting results from this

game.

 

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