Calculate the standard deviation for the market. Do not round intermediate calculations. Round your answer to two decimal places. The expected rate of return for the market is 13.5%.

Please explain and answer all three questions, thank you!

Problem 6-10 Portfolio Required Return Suppose you manage a $4.12 million fund that consists of four stocks with the following investments: Stock Investment Beta $320,000 1.50 800,000 -0.50 1,100,000 1.25 1,900,000 0.75 If the market's required rate of return is 12% and the risk-free rate is 4%, what is the fund's required rate of return? Do not round intermediate calculations. Round your answer to two decimal places. Problem 6-06 Expected Returns: Discrete Distribution The market and Stock I have the following probability distributions: Probability Mr 0.3 15% 22% 97 18 10 0.3 Problem 6-14 Historical Returns: Expected and Required Rates of Return You have observed the following returns over time: Year Stock X Stock Y Market 2012 12% 13% 10% 2013 2014 2015 2016 Assume that the risk-free rate is 3% and the market risk premium is 7%. Do not round intermediate calculations. a. What is the beta of Stock X? Round your answer to two decimal places. b. What is the beta of Stock Y? Round your answer to two decimal places. c. What is the required rate of return on Stock X? Round your answer to one decimal place. d. What is the required rate of return on Stock Y? Round your answer to one decimal place. 0/0 e. What is the required rate of return on a portfolio consisting of 80% of Stock X and 20% of Stock Y? Round your answer to one decimal place. %