A ping pong ball ls drawn at random from an urn consisting of balls numbered 6 through 14. A player wins 2 dollars If the number on the ball is odd and loses 2 dollars If the number is even. What Is the expected value of his winnings? Round to 3 decimal places. :1 A card ls drawn at random from a standard deck of playing cards (nojokers). If It Is black. the player wins 'I dollar: if It Is not black, the player loses 7-" dollars. Find the expected value ofthe game. H In a class there are 20 students: 4 are 5' 6", 5 are 5'8", 5 are 5'10", 3 are 6', and 3 are 6' 2". A student ls chosen at random. What Is the student's expected height in inches? Round to the nearest tenth of an inch