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?

What is the variance of this portfolio? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., 32.16161.) What is the standard deviation? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)