Assume you wish to construct a portfolio by investing $4000 in Stock A which has a return of 6% and a standard deviation of
10%. In the portfolio, you will also invest $6000 in stock B which
has a return of 8% and a standard deviation of 13%. Assuming
that the returns on stock A and on stock B have a correlation
coefficient of 0.7, what is the portfolio standard deviation?

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

answer:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21  

-7 + ? = 21

-7 + 28 = 21

hope it

hello,

as   long as they add up to 180 its correct.