In the Notation Below,X Is the Random Variable,c Is a Constant,and

question 66

Multiple Choice

In the notation below,X is the random variable,c is a constant,and V refers to the variance.Which of the following laws of variance is not true?

• A)V(c)= 0
• B)V(X + c)= V(X)+ c
• C)V(cX)= c² V(X)
• D)None of these choices.

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Definitions:

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including coronary artery disease, hypertension, heart failure, and stroke, often related to atherosclerosis.

Ethnicity

A category of people who identify with each other based on common ancestral, social, cultural, or national experiences.

Abdominal Fat

The accumulation of fat in the abdomen area, often associated with increased health risks.

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including coronary artery disease, heart failure, and stroke.