Question- Calculate Expected Return And Standard Deviation For A Portfolio

Mark Spitz proposes to invest in two shares, X and Y. He expects a return of 12 percent from X and 8 percent from Y. The standard deviation of return is 8 percent for X and 5 percent for Y. The correlation coefficient between the returns is 0.05. What is the expected return and standard deviation of the portfolio created if Mark invests 75 percent of his available capital in X and 25 percent of his available capital in Y?

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This given question related to Finance and discuss about calculation of expected return and standard deviation of a portfolio.