In the game of a player can a $7 bet on the number 3 and have a 1/38 probability
ID: 3266940 • Letter: I
Question
In the game of a player can a $7 bet on the number 3 and have a 1/38 probability of winning. If the metal ball lands on 3, the player gets to keep the $7 paid to the game and the player is awarded an additional 245. Otherwise, the player is awarded nothing and the casino takes the player's $7. What is the expected value of the game to the player? If you played the game 1000 times, how much would you expect to lose? Note that the expected value is the amount, on average one would expect to gain or lose each game. The expected value is $ The player would expect to lose about $Explanation / Answer
a) E(x) = 245(1/38) + (-7)(37/38) = (245-259)/38 = -14/38 = -$0.3684
b) played 1000 games player would expect to loose = 1000*0.3684=$368.4
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