In the game of roulette, a player bets $5 on a number and has a 1/38 chance of winning. If he wins, he receives $175. If he loses, he receives nothing. a) What is the expected value of this game? b) If someone plays roulette 1000 times, how much money should they expect to lose?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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In the game of roulette, a player bets $5 on a number and has a 1/38 chance of winning. If he wins, he receives $175. If he loses, he receives nothing.
a) What is the expected value of this game?

b) If someone plays roulette 1000 times, how much money should they expect to lose?

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