Consider the following table:

$\backslash$table$[[,$Stock Fund,Bond Fund$],[$Scenario$,$Probability Rate of Return Rate of Return,,$]]$

Required:

a$.$ Calculate the values of mean return and variance for the stock fund. to $2$ decimal places.$)$

$\backslash$table$[[$Mean return,,$\%$

b$.$ Calculate the covariance between tge stock and bond funds.