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If X is a random vairalbe, then for any ...

If X is a random vairalbe, then for any constant `a (neo)` and b, var (ax+b) =

A

a var (x)+b

B

a vr (x)

C

|a| var (x)

D

`a^2 var (x)`

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UNITED BOOK HOUSE-SET 6-EXERCISE
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