A ping pong ball is drawn at random from an urn consisting of balls numbered 4 through 12. A player wins 6 dollars if the number on the ball is odd and loses 6 dollars if the number is even. What is the expected value of his winnings? Round to 3 decimal places. A card is drawn at random from a standard deck of playing cards (no jokers). If it is red, the player wins 1 dollar; if it is not red, the player loses 8 dollars. Find the expected value of the game. In a class there are 17 students: 5 are 5' 6", 4 are 5'8", 4 are 5'10", 2 are 6', and 2 are 6' 2". A student is chosen at random. What is the student's expected height in inches? Round to the nearest tenth of an inch.
A ping pong ball is drawn at random from an urn consisting of balls numbered 4 through 12. A player wins 6 dollars if the number on the ball is odd and loses 6 dollars if the number is even. What is the
A card is drawn at random from a standard deck of playing cards (no jokers). If it is red, the player wins 1 dollar; if it is not red, the player loses 8 dollars. Find the expected value of the game.
In a class there are 17 students: 5 are 5' 6", 4 are 5'8", 4 are 5'10", 2 are 6', and 2 are 6' 2". A student is chosen at random. What is the student's expected height in inches? Round to the nearest tenth of an inch.
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