Q1: Using the data in the following? table, and the fact that the correlation of A and B is 0.64?, calculate the volatility?(standard deviation) of a portfolio that is 50% invested in stock A and 50% invested in stock B.

	Realized Returns
Year	Stock A		Stock B
2008	?1?%		23?%
2009	17?%		39?%
2010	22?%		14?%
2011	?1?%		?2?%
2012	33?%		?12?%
2013	55?%		19?% > The standard deviation of the portfolio is?

Q2: Using the data in the following? table, and the fact that the correlation of A and B is 0.48?, calculate the volatility? (standard deviation) of a portfolio that is 70% invested in stock A and 30% invested in stock B.

	Realized Returns
Year	Stock A		Stock B
2008	?10?%		21?%
2009	20?%		30?%
2010	55?%		77?%
2011	?5?%		?3?%
2012	22?%		?8?%
2013	99?%		25?%

The standard deviation of the portfolio is?

Q3: You have ?$56,000. You put 19?% of your money in a stock with an expected return of 12?%, ?$40,000 in a stock with an expected return of 16?%, and the rest in a stock with an expected return of 18?%. What is the expected return of your? portfolio?

The expected return of your portfolio is____%