a. If Mary imvets half her money in each of the two common stocks, what is the portfolio's expected rate of retum and standard deviation in portfolio retum? b. Answer part a where the correlation between the two common stock investments is equal to zero. c. Answer part a where the correlation between the two common stock investments is equal to +1 . d. Answer part a where the correlation between the two common stock investments is equal to -1 e. Using your responses to questions a- d, describe the relationship between the correlation and the risk and return of the portfolio. decinal places) The standard deviation in the portfolio is 6. (Round to two decimal places) 2. (Round to two decinal places) The standard deviation in the portfolio is \%. (Round to two decimal places:) (Round to two decinal places) The ctancard devation in the portfolio is 16. (Round to two decimal places) 6. (Round to two decinal places) The standard devatan in the portfolio is 6. (Round to two decimal places.) Data table A. The carretation coefficent has no effect on the expected return of a portfolio, but the closer the correlation coefficient is to negative one, B. The carrelation coefficent has no effect on the expected return of a portfolio, but the closer the correlation coefficient is to one, the lowe