The correlation of returns between Stocks A and B is 0.50. The covariance between these two securities is 0.0043, and the standard deviation of the return of Stock B is 26%. The variance of returns for Stock A is:

[单选题]The correlation between the historical returns of Stock A and Stock B is 0.

[单选题]The correlation between the historical returns of Stock A and Stock B is 0.

[单选题]The correlation between the historical returns of Stock A and Stock B is 0.

[单选题]The standard deviation of returns is 0.30 for Stock A and 0.20 for Stock B.

[单选题] The connection between two networks to form. an internet is handled by a machine known as a （71） .（71）A．bridgeB．clientC．routerD．switch

[单选题]What is the relationship between the two speakers?A． CoupleB． FriendsC． Classmates

[单选题]The relation between the two paragraphs is that in the 2nd paragraph the author[A] challenges the viewpoint in the lst paragraph.[B] modifies his view expressed in the lst paragraph.[C] provides the reason for the argument in the lst paragraph.[D] fu

[单选题]The connection between two networks to form. an internet is handled by a machine known as a ______．A．bridgeB．clientC．routerD．switch

[单选题]The operation between two fuel injections is called a （）.A . turning cycleB . working cycleC . working hourD . working stroke

[单选题]The connection between two networks from an intemet is handled by a machine known as a（）A . bridgeB . serverC . routerD . switch