You own a two-stock portfolio, with 40% of your money in Stock A and 60% in Stock B. The expected value and standard deviation of Stock A are 7% and 4.2%, respectively. The corresponding figures for Stock B are 9% and 5.3%. The correlation between the two stocks is 0.15. What are the expected value and standard deviation for the portfolio?
(No excel work. Show full steps of the problem with formula please)