Probability & Statistics Name: Jaque lin Alone Activity 8.3: Expected Value of Discrete Random Variable Period/Block: CB I. Find the expected value of the following problems. Show all your work to get full credit, Last year, one game involved the spinner shown. The player paid $20 to spin the spinner once and collected the prize according to where the arrow landed. Find the expected value of the profit of the player. $20 $50 $80 $80 prize $50 prize $20 prize $5 prize 80 - 202 Profit, x 50- 20 - 120- 20- 5-20 30 O - 15 P(x) 2. The roulette wheel has 38 numbers (00, 0, 1, 2, 3, ...34, 35, 36) marked on equally spaced slots. If a player bets $1 on a number and wins, then the player receives $35. Find the expected value of playing the game. Win Lose Profit, x P(x)