Expected Return Standard Deviation A 10% 30% B 20% 50% The correlation between the returns is 0. What is the weights for a portfolio with an expected return of 15%? Weights: (0.3, 0.7) Weights: (0.4, 0.6) O Weights: (0.45, 0.55) Weights: (0.5, 0.5) Weights: (0.35, 0.65)