step by step solution needed please

in two (Computing the standard deviation for a portfolio of two risky investments) Mary Guilott recently graduated from college and is evaluating an investment companies' common stock She has collected the following information about the common stock of Fim A and Firm B:E lfMary decides to invest 10 percent of her money in Firm A's common stock and 90 percent in Firm B's common stock, what is the expected rate of return and the standard deviation of the portfolio returm? b. If Mary decides to invest 90 percent of her money in Fim A's common stock and 10 percent in Firm B's common stock, what is the expected rate of return and the standard deviation of the portfolio return? c. Recompute your responses to both questions a and b, where the correlation between the two firms stock returns is -0.30 d. Summarize what your analysis tells you about portfolio risk when combining risky assets in a portfolio a. If Mary decides to invest 10% of her money n Frm A's common stock and 90% n Firm BS common stock and the correlation coeffi ient between the t o stocks is 0.30, then the expected rate of return in the portfolio is 8.00% (Round to two decimal places ) The standard deviation in the portfolio is 583 % (Round to two decimal place b. If Mary decides to invest 90% of her money in Firm A's common stock and 10% in Firm B's common stock and the correlation coefficient between the two stocks is 0 30, then the expected rate of return in the portfolio is 16 007s (Round to two decimal places ) The standard deviation in the portfolio is 10 10% (Round to two decimal places ) c. If Mary decides to invest 10% of her money in Frm A's commmon stock and 90% in Firm B's common s ' stock and the correlation coeficient between te two stocks is-O 30, then the expected rate of return in the portfolio is 8 00% (Round to two decimal places) The standard deviation in the Dortfolio is 518 % Round to two decimal Daces) in two (Computing the standard deviation for a portfolio of two risky investments) Mary Guilott recently graduated from college and is evaluating an investment companies' common stock She has collected the following information about the common stock of Fim A and Firm B:E lfMary decides to invest 10 percent of her money in Firm A's common stock and 90 percent in Firm B's common stock, what is the expected rate of return and the standard deviation of the portfolio returm? b. If Mary decides to invest 90 percent of her money in Fim A's common stock and 10 percent in Firm B's common stock, what is the expected rate of return and the standard deviation of the portfolio return? c. Recompute your responses to both questions a and b, where the correlation between the two firms stock returns is -0.30 d. Summarize what your analysis tells you about portfolio risk when combining risky assets in a portfolio a. If Mary decides to invest 10% of her money n Frm A's common stock and 90% n Firm BS common stock and the correlation coeffi ient between the t o stocks is 0.30, then the expected rate of return in the portfolio is 8.00% (Round to two decimal places ) The standard deviation in the portfolio is 583 % (Round to two decimal place b. If Mary decides to invest 90% of her money in Firm A's common stock and 10% in Firm B's common stock and the correlation coefficient between the two stocks is 0 30, then the expected rate of return in the portfolio is 16 007s (Round to two decimal places ) The standard deviation in the portfolio is 10 10% (Round to two decimal places ) c. If Mary decides to invest 10% of her money in Frm A's commmon stock and 90% in Firm B's common s ' stock and the correlation coeficient between te two stocks is-O 30, then the expected rate of return in the portfolio is 8 00% (Round to two decimal places) The standard deviation in the Dortfolio is 518 % Round to two decimal Daces)