Scenario Severe recession Mild recession Normal growth Boom Probability 0.10 0.15 0.35 0.40 Stock Fund Rate of Return -42% -18.0% 20% 274 Bond Fund Rate of Return -15% 7% 9% -6% a. Calculate the values of mean return and variance for the stock fund. (Do not round intermediate calculations. Roun return" value to 1 decimal place and "Variance" to 4 decimal places.) Mean return Variance 10.9% %-Squared b. Calculate the value of the covariance between the stock and bond funds. (Negative value should be indicated by a min not round intermediate calculations. Round your answer to 4 decimal places.) Covariance %-Squared Drew 19 20