If alan is risk-averse, then he will always
a. choose not to play a game where he has a 75 percent chance of winning $5 and a 25 percent chance of losing $5.
b. choose not to play a game where he has a 50 percent chance of winning $5 and a 50 percent chance of losing $5.
c. choose to play a game where he has a 55 percent chance of winning $5 and a 45 percent chance of losing $5.
d. all of the above are correct.