Using the data in the following table, E, calculate the volatility (standard deviation) of a portfolio that is 64% invested in stock A and 36% in stock B. The volatility of the portfolio is %. (Round to two decimal places.) X Data Table (Click on the following icon in order to copy its contents into a spreadsheet.) 2013 2015 Year Stock A Stock B 2010 -7% 18% 2011 6% 11% 2012 6% 20% -9% - 3% 2014 3% -7% 5% 28% Print Done