In American Roulette, There Are Two Zeroes and 36 Non-Zero

question 9

Multiple Choice

In American Roulette, there are two zeroes and 36 non-zero numbers (18 red and 18 black) .If a player bets 1 unit on red, his chance of winning 1 unit is therefore 18/38 and his chance of losing 1 unit (or winning -1) is 20/38.Let x be the player profit per game.The mean (average) value of x is approximately_______________.

• A)0.0526
• B)-0.0526
• C)1
• D)-1
• E)0

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