Consider the following information on a portfolio of three stocks:

State of Probability of Stock A Stock B Stock C Economy State of Economy Rate of Return Rate of Return Rate of Return Boom .12 .03 .33 .49 Normal .54 .11 .23 .21 Bust .34 .17 .22 .36

a. If your portfolio is invested 38 percent each in A and B and 24 percent in C, what is the portfolios expected return, the variance, and the standard deviation? (