In the game of roulette, a player can place a $7 bet on the number 18 and have a 138 probability of winning. If the metal ball lands on 18, the player gets to keep the $7 paid to play 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?

The expected value is: