Question: 1. Nine coins are flipped. If seven or more come up tails, the player wins $50. Otherwise the player loses $3. What is the player's expected value?
2. Twenty marbles, labeled 1 through 20, are in a jar. A game consists of reaching in blind and pulling out three marbles. If at least two are even, the player wins $3. Otherwise, the player loses $7. What is the player's expected value?