Please show all work to help me try and understand this problem, it is an excel assignment, so please answer accordingly (spreadsheet style) sentences will work for i and ii questions

Part 2 As a financial analyst you are trying to put together a report about three different bonds. One portion of the report requires you to estimate the expected return and standard deviation of each bond. i. Which bond has the highest expected return? Which bond has the riskiest? [Hint: You must use the probability model to compute the expected risk Probability Yield for Bond Yield for Bond Y Yield for Bond 40% 17% 12% 0.340 23% 15% 0.15 0.09 1% -12% 0.19%