A jar haves balls of four different colors; red, blue, yellow and green. The total balls are divides as 40% red, 35% blue, 20% yellow, and 5% green. If you're to choose one ball at random. Determine the expected value of your winning amount if the payments are set to be $0, $5, $25, $70 for red, blue, yellow and green ball respectively.
Winning amount 0 5 25 70
Probability 40% 35% 20% 5%