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:

Chyme

The mixture of food and gastric juice.

Ileum

The final and longest segment of the small intestine, where the absorption of vitamins, minerals, and nutrients is completed.

Cecum

The first section of the large intestine.

Pouches

Small bags or flexible containers, usually closed with a zipper or by similar means, used for holding or carrying items.