# Roulette Expectation. A standard roulette wheel has 38 numbered spaces for a sma

**Question description**

A standard roulette wheel has 38 numbered spaces for a small ball to land in: 36 are marked from 1 to 36, half black and half red, 0 and 00 are green. If you bet $100 on a particular number and the ball lands on that number, you are paid a whopping $3600. What is the expected value of betting $100 on red 9? Explain your reasoning.

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