We know the following expected returns for stocks A and B. given different states of the economy: State (s) Probability E(A) E(res) Recession 0.3 -0.01 0.03 Normal 0.5 014 0.06 Expansion 0.2 0.22 0.1 Part 3 What is the standard deviation of returns for stock A? 3+ decimals Submit Attempt 4/10 for 10 pts