Question 1002916
 You are playing a game where you are rolling a fair 6-sided number cube. It costs $1.00 for every roll. If you roll an even number, you win $2.00. If you roll an odd number, you win nothing. Which of the following is the expected value of this game? 
-----
Random "winning" values :: +1.....-1
Corresponding Probabilities: (1/2)......(1/2)
-------
E(x) = (1/2)1 + (1/2)*-1 = 0
-----
Cheers,
Stan H.
-------------

A) expected value = -$.50
B) expected value = $.50
C) expected value = $1.00
D) expected value = -$1.00