Q 4: Suppose Johnson & Johnson and Walgreen Boots Alliance have expected returns and volatilities shown in the table, with a correlation of 23%.

Calculate

(a) the expected return and

(b) the volatility (standard deviation) of a portfolio that is equally invested in Johnson & Johnson's and Walgreens' stock.

Suppose Johnson \& Johnson and Walgreen Boots Alliance have expected returns and volatilities shown here, , with a correlation of 23%. Calculate (a) the expected return and (b) the volatility (standard deviation) of a portfolio that is equally invested in Johnson \& Johnson's and Walgreens' stock. a. Calculate the expected return. The expected return is \%. (Round to two decimal place.) b. Calculate the volatility (standard deviation). The volatility is \%. (Round to two decimal place.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.)