ONLY ANSWER PART C

Suppose you have the following expectations about the market condition and the returns on Stocks X and Y. What are the expected returns for Stocks X and Y, E(r_x) and E(r_y)? What are the standard deviations of the returns for Stocks X and Y, sigma_x and sigma_y? Suppose you have $1000 to invest, and decide to invest $700 in Stock X and $300 in Stock Y. What are the expected return and standard deviation of the return on your portfolio, E(r_p) and sigma_p