Scenario	Probability	Stock A forecast return	Stock B forecast return
1	0.3	0.1	-0.2
2	0.4	0.2	0.1
3	0.3	0.3	0.1

(i) Compute/calculate expected return and risk (i.e., variance/standard deviation) of Stock A and Stock B.

(ii) Compute/calculate expected return and risk (i.e., variance/standard deviation) for a portfolio with 60% in Stock A and 40% in Stock B (40%). The returns in the below tables are forecast returns.

Compute/calculate the historical average return and standard deviation for a portfolio with 50% in X and 50% in Y.

Year	Stock X Return	Stock Y Return
2019	0.10	-0.05
2020	-0.05	-0.10
2021	0.12	0.06