In the game of? roulette, a player can place a ?$4 bet on the number18 and have a Start Fraction 1 Over 38 End Fraction  probability of winning

In the game of? roulette, a player can place a ?$4 bet on the number18 and have a Start Fraction 1 Over 38 End Fraction
 probability of winning. If the metal ball lands on 18?, the player gets to keep the ?$4 paid to play the game and the player is awarded an additional ?$140. ?Otherwise, the player is awarded nothing and the casino takes the? player's ?$4. Find the expected value? E(x) to the player for one play of the game. If x is the gain to a player in a game of? chance, then? E(x) is usually negative. This value gives the average amount per game the player can expect to lose.
The expected value is ?$
nothing.
?(Round to the nearest cent as? needed.)