Consider the following information:

				Rate of Return If State Occurs
State of	Probability of
Economy	State of Economy			Stock A			Stock B			Stock C
Boom		.15			.31			.41			.21
Good		.60			.16			.12			.10
Poor		.20			.03			.06			.04
Bust		.05			.11			.16			.08

a.	Your portfolio is invested 30 percent each in A and C, and 40 percent in B. What is the expected return of the portfolio?

Expected return

%

b-1	What is the variance of this portfolio?

Variance

b-2	What is the standard deviation?

Standard deviation

%