Please solve and explain in a SIMPLE way, thanks!

5. Considering the following scenario analysis: Scenario Recession Normal econom Boom Probabilit 20 60 20 Rate of Return Stocks -5% +15 +25 Bonds +14% a. Is it reasonable to assume that Treasury bonds will provide higher return in recession than in boom? b. Calculate the expected rate of return and standard deviation for each investment. Answer: 13%, 8.4%,standard deviation 9.8% 3.20% c. Which investment would vou prefer