Intro We know the following expected returns for stocks A and B, given different states of the economy: State (s) Probability E(ra,s) E(rb,s) Recession 0.2 -0.01 0.02 Normal 0.5 0.14 0.05 Expansion 0.3 0.22 0.09 Part 3 What is the standard deviation of returns for stock A? 3+ decimals Submit Part 4 What is the standard deviation of returns for stock B? 4+ decimals Submit Attempt 4/10 for 4.5 pts. Attempt 1/10 for 10 pts.