THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING

question 29

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING:
Suppose X and Y are two random variables with E(X) = 1.50,E(Y) = 0.55,E(XY) = 0.80,Var(X) = 0.25,and Var(Y) = 0.2475.
-What is the value of Cov(X,Y) ?

• A)-0.825
• B)0)750
• C)-0.025
• D)1)625

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Definitions:

Muscle Mass

Refers to the amount of muscle tissue in an individual's body, typically measured in terms of volume or weight.

Nutrients

Substances that provide nourishment essential for growth and the maintenance of life.

Utilization

The act of using resources or services for a particular purpose.

Triglyceride

Three-carbon glycerol molecule with a fatty acid attached to each carbon; constitute approximately 95% of the fats in the human body. Also called triacylglycerol.