Stock X has an expected return of 10% and a standard deviation of 50%. Stock Y has an expected return of 15% and a standard deviation of 40%. The correlation between stock X and stock Y is 10%.You want to form a portfolio using stock X and Y that has a standard deviation equal to 45%. Making sure that you invest in an efficient portfolio, what weight, w, you should put on stock X in your two-stock portfolio?A. 0.11B. 0.89C. -0.13D. -0.41

among other factors, composers started writing dynamic markings in their scores because "new instruments allowed for more dynamic ranges and contrast."

dynamics allude to the loudness or softness of music. dynamics offer an approach to demonstrate articulation in sheet music. they to drive the enthusiastic substance of music through volume and force. maybe you could alter both the volume and the shading profundity on your screen at the same time. we can likewise think about the force side of elements as the quality of a note. a few notes are intended to be played delicately and gently, while others are intended to be played all the more firmly.  

some dynamics markings have a letter 'm,' which remains for mezzo, signifying 'medium.' so a mezzo piano unique stamping resembles this (mp) and intends to play medium calm, while a mezzo specialty dynamic resembles this (mf) and intends to play medium loud.