Question: please solve all 4 part. Intro We know the following expected returns for stocks A and B. given different states of the economy State (s)
please solve all 4 part.

Intro We know the following expected returns for stocks A and B. given different states of the economy State (s) Probability E(TA.s) Ers,s) Recession 0.3 -0.03 0.05 Normal 0.5 0.12 0.08 Expansion 0.2 0.2 0.12 IB Attempt 1/10 for 10 pts. Part 1 What is the expected return for stock A? 3+ decimals Submit IB Attempt 1/10 for 10 pts. Part 2 What is the expected return for stock B? 3+ decimals Submit Attempt 1/10 for 10 pts. Part 3 What is the standard deviation of returns for stock A? 3+ decimals Submit Attempt 1/10 for 10 pts. Part 4 What is the standard deviation of returns for stock B? 4+ decimals Submit
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