Question

You are playing a game in which a single die is rolled. If a 2 or 5 comes up you win $36. Otherwise, you lose $36. What is your expected value for the game?

Answer 1

A
–$13

B
$12

C
–$14

D
–$12

Answer 2

E(X) = 1/3 * 36 + 2/3 * (-36) = -12
D