Suppose Johnson & johnson and the Walgreens Boots Alliance have the expected returns and volatilities shown here, with a correlation of $22\%.$ For a portfolio that is equally invested in Johnson & johnson's and Walgreens' stock, calculate:

a$.$ The expected return.

b$.$ The volatility $($standard deviation$).$

a$.$ Calculate the expected return.

The expected return of the portfolio is $\%.($Round to two decimal places.$)$

Data table

$($Click on the following icon $$ in order to copy its contents into a spreadsheet.$)$

$\backslash$table$[[,E[R],SD(R_P)$