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Let Y Be a Random Variable E[Yμy)2]\sqrt { \left. E \left[ Y - \mu _ { y } \right) ^ { 2 } \right] }

Question 44

Multiple Choice

Let Y be a random variable. Then var(Y) equals


A) E[Yμy) 2]\sqrt { \left. E \left[ Y - \mu _ { y } \right) ^ { 2 } \right] }
B) E[(Yμy) ]E \left[ \left| \left( Y - \mu _ { y } \right) \right| \right]
C) E[(Yμy) 2]E \left[ \left( Y - \mu _ { y } \right) ^ { 2 } \right]
D) E[(Yμ) ]E [ ( Y - \mu ) ]

Correct Answer:

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