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Engineering Maths · Q58

Probability and Statistics

Engineering and GATE · Engineering Maths · question 58

Q58

If the difference between the expectation of the square of a random variable (E[x2]) and the square of the expectation of the random variable (E[x])2 is denoted by R, then

A.
R = 0
B.
R < 0
C.
R ≥ 0
Answer
D.
R > 0

Answer: Option C

Solution

Answer: Option C
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