Use the following information to calculate the  standard dev…

Questions

Use the fоllоwing infоrmаtion to cаlculаte the  standard deviation of a portfolio that is 70 percent invested in 3 Doors, Inc., and 30 percent invested in Down Co.: (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Do not include the % sign.     3 Doors, Inc.   Down Co. Expected return, E(R) 12 %   12 % Standard deviation, σ 42     44   Correlation     .27