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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