Help Seven Sun Consider the following table: Check my werk Bond Fund Probability 0.10 Scenario Severe recession Mild recession Normal growth Boom Stock Fund Rate of Return -18% -4.01 0.35 0.35 a. Calculate the values of mean return and variance for the stock fund. (Do not round Intermediate calculations. Round "Mean return" value to 1 decimal place and "Variance" to 4 decimal places.) Mean return Variance %-Squared b. Calculate the value of the covariance between the stock and bond funds. (Negative value should be indicated by a minus sion. Do not round Intermediate calculations. Round your answer to 4 decimal places.) search