What is the weight for Stock 1 when portfolio standard deviation is 45%?

Consider the data below and find the portfolio weights so that the expected return of the portfolio is 14%. What is the corresponding portfolio standard deviation? A 1 2 Stock 1 3 Stock 2 4 Covariance(r1,12) B Standard Mean deviation return of return 12% 35% 18% 50% 0.08350 In the previous problem find two portfolios whose standard deviation is 45%. (There is an analytical solution to this problem, but it can also be solved by Solver.)