In the game of roulette, a player can place a $5 bet on the number 13 and have a

1/38 probability of winning. If the metal ball lands on 13, the player gets to keep the

$5paid to play the game and the player is awarded an additional $175 . Otherwise, the player is awarded nothing and the casino takes the player's $5. 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 _____$

.

probability of winning. If the metal ball lands on

13

,

the player gets to keep the

$5

paid to play the game and the player is awarded an additional

$175

.

Otherwise, the player is awarded nothing and the casino takes the player's

$5

.

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.