Given the following probability distribution, what are the expected return and standard deviation? State Probability Return 1 0.20 -15% 2 0.45 5% 3 0.35 25% O 7.40%; 10.31% 5.00%; 10.31% O5.85% ; 13.72% O 8.00%; 14.53% O5.85% ; 12.58%