Show all details:
The possible returns of an asset under four possible future situations are listed, the probabilities of each situations listed. the probabilities of each situation occuring is given as "Prob" and the return in each situation is given as "Ret". find the average expected return and the standard deviation of returns..
state prob Ret(x)
poor 10% 1.00%
average 35% 5.00%
Good 35% 12.00%
Excellent 20% 18.00%