You are going to invest all of your funds in one of three projects with the following distribution of possible returns:
Project 1 Project 2
Standard Deviation 12% Standard Deviation 19.5%
Probability Return Probability Return
50% Chance 20% 30% Chance 30%
50% Chance -4% 40% Chance 10%
30% Chance -20%
Project 3
Standard Deviation 12%
Probability Return
10% Chance 30%
40% Chance 15%
40% Chance 10%
10% Chance -21%