If X and Y Are Two Variables with E(XY)= 10

question 230

True/False

If X and Y are two variables with E(XY)= 10.56,E(X)= 4.22,and E(Y)= 5.34,then COV(X,Y)= 1.0.

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Definitions:

Agility

The ability to move quickly and easily; in a physical sense, it involves coordination, balance, speed, and reflexive responses.

Cooperative

Pertaining to a group, business, or organization that is owned and run jointly by its members, who share the benefits and responsibilities.

Depressant Drugs

Substances that reduce the activity of the central nervous system and can lead to relaxation, reduced anxiety, or sleepiness.

Psychological Dependence

A condition characterized by a perceived need to continue using a substance due to emotional or psychological reliance, despite potential harm.