Is it possible to get a example of how to complete these steps? It would be greatly appreciated.

Using the following 3 securities calculate: 1. Expected return 2. Variance 3. Standard deviation 4. Correlation between all possible pairs 5. Covariance between all possible pairs Probability Stock A .10 .10 .30 .20 30 5% 5% 12% 6% 18% Stock B 35% 31% 30% 25% 17% Stock C 2% 6% 10% 15% 20% Using the following percentages, calculate the portfolio variance and expected return for each portfolio. Stock C Stock A 70% 40% 25% Portfolio Stock B 30% 60% 30% 45%