Return Ch 7 Seved Help Problem 7-17 Portfolio risk Suppose that the standard deviation of returns from a typical share is about 0.50 (or 50%) a year. The correlation between the returns of each pair of shares is about 0.6. a. Calculate the variance and standard deviation of the returns on a portfolio that has equal investments in 2 shares, 3 shares, and so on, up to 10 shares. (Use decimal values, not percents, In your calculations. Do not round Intermediate calculations. Round the "Variance" answers to 6 decimal places. Round the "Standard Deviation" answers to 3 decimal places.) Shares Variance Standard Deviation(%) 23 MON wwwwwwwwwwwwwwww nt cannot ha diversified away? (Do not round Intermediate calculations. Round your eturn Ch 7 Saved Help b. How large is the underlying market varlance that cannot be diversified away? (Do not round Intermediate calculations. Round your answer to 3 decimal places.) Market risk c. Now assume that the correlation between each pair of stocks is zero. Calculate the variance and standard deviation of the returns on a portfolio that has equal investments in 2 shares, 3 shares, and so on, up to 10 shares. (Use decimal values, not percents, in your calculations. Do not round Intermediate calculations. Round the "Variance" answers to 6 decimal places. Round the "Standard Deviation" answers to 3 decimal places.) No. of Shares Variance Variance Standard Deviation(%) 21