1. Based on the table below, what is the expected return of the stock?

Probability	Return
.20	8%
.10	10%
.40	12%
.20	15%
.10	20%

2. You invested $3,000 in a portfolio with an expected return of 10 percent and $2,000 in a portfolio with an expected return of 16 percent. What is the expected return of the combined portfolio?

3. The covariance of the returns between Einstein Stock and Bohr Stock is 0.0087. The standard deviation of Einstein is 0.26, and the standard deviation of Bohr is 0.37. What is the correlation coefficient between the returns of the two stocks?

4. If the distribution of returns for an asset has a variance of zero, then covariance of returns between that asset and the returns any other asset must equal zero. True or False?

5. Aquaman Stock has exhibited a standard deviation in stock returns of 0.7, whereas Green Lantern Stock has exhibited a standard deviation of 0.8. The correlation coefficient between the stock returns is 0.1. What is the standard deviation of a portfolio composed of 70 percent Aquaman and 30 percent Green Lantern?