Suppose you observe the following for two securities (X & Y)

Outcome	probability	rate of return X	RATE OF RETURN Y
1	0.2	12	14
2	0.15	6	12
3	0.25	2	14
4	0.4	10	10

a) Calculate the expected return of portfolio with 40% in asset X and 60% in asset Y. [4 ]

b) Calculate the risk of this portfolio, assume Cov_xy = 1.