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		.35	.45	.33
Good		.50		.12	.10	.17
Poor		.25		.01	.02	?.05
Bust		.10		?.11	?.25	?.09

Requirement 1:

Your portfolio is invested 30 percent each in A and C and 40 percent in B. What is the expected return of the portfolio? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).)

Expected return of the portfolio

%

Requirement 2:

(a)	What is the variance of this portfolio? (Do not round intermediate calculations. Round your answer to 5 decimal places(e.g., 32.16161).)

Variance of the portfolio

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

Standard deviation

%

I have found standard deviation of 14.79, and an expected return of portfolio of 10.5, yet my hmw keeps stating my variance is wrong though i used my variance to find standard deviation!!! help please