If X and Y Are Any Random Variables with E(X)=

question 282

Multiple Choice

If X and Y are any random variables with E(X) = 5,E(Y) = 6,E(XY) = 21,V(X) = 9 and V(Y) = 10,then the relationship between X and Y is a:

• A)strong positive relationship
• B)strong negative relationship
• C)weak positive relationship
• D)weak negative relationship

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Definitions:

Conscientiousness

A personality trait characterized by diligence, carefulness, thoroughness, and organization.

Big Five Trait

A model that outlines five broad dimensions of human personality traits, including openness, conscientiousness, extraversion, agreeableness, and neuroticism.

Volunteering

The act of offering services willingly without the expectation of payment.

Agreeableness

A personality trait characterized by warmth, friendliness, and a cooperative disposition.