Mathematics, 14.04.2020 22:11 604341

An American roulette wheel has 18 red, 18 black and 2 green slots. You bet $1 on red color. If the winning number is red, you win $1, and your original $1 is returned, if the winning number is not red, you lose your original $1. Use X to denote the NET gain you have each time you play the roulette.

Write down the distribution of X. What is the expected value of it? What is the variance of it?

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An American roulette wheel has 18 red, 18 black and 2 green slots. You bet $1 on red color. If the w...

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