Quiz

 In the game of roulette, there are 18 black pockets, 18 red pockets, and 2 green pockets.  You bet $20 on black.  If the ball lands in a black pocket, you win $20.  If it lands in a red or green pocket, you lose $20. 

A.  Write down a probability distribution table for this game.

B.  Find the expected value and interpret it using a complete sentence.