You and a friend play a game where you each toss a balanced coin. if the upper faces on the coins are both tails, you win $8; if the faces are both heads, you win $4; if the coins do not match (one shows a head, the other a tail), you lose $2 (win (−$ calculate the mean and variance of y, your winnings on a single play of the game. note that e(y) > 0.