Question

In the game of​ roulette, a player can place a ​$9 bet on the number 6 and have a 1 /38 probability of winning. If the metal ball lands on 6​, the player gets to keep the ​$9 paid to play the game and the player is awarded an additional ​$315 ​Otherwise, the player is awarded nothing and the casino takes the​ player's ​$9. Find the expected value​ E(x) to the player for one play of the game. If x is the gain to a player in a game of​ chance, then​ E(x) is usually negative. This value gives the average amount per game the player can expect to lose

Answer 1