Question: Dinky, an individual investor, decided to invest in JJ Company and KK Company. Here are the pieces of information about the two investments:
Company
|
Number of Shares in Portfolio
|
Standard Deviation
|
Expected Return
|
JJ
|
4
|
3%
|
5%
|
KK
|
6
|
7%
|
6%
|
Given that both investments have a covariance of .25, what is the standard deviation of Dinky's portfolio?