part d and e please

**: 11:10 PM Review 4. Use the table below to answer the following questions: a. What is the expected return on an IBM bond if the return is 4% when there is an economic bust, which has a 60 percent of probability to occuring and 8% when the economy is in a boom, which has a 40 percent probability of occurring? Respected - ProR Probability state (Return state : - Rexpected) Variance Standard Deviation o voz c. Estimate the Variance and Standard Deviation (Just fill in the table below). (4) 15) R P Re-Respected B-Red easted Pr STANDARD DEVIATION d. Determine the ranges of your return with 68, 95 and 99 percent probability. Show your work in a normal distribution chart. Normal Distribution e is this a risky asset? Why