If the difference between 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(D) R > 0

If the difference between expectation of the square of a random variab

1.	If the difference between 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(D) R > 0
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If the difference between 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 &lt; 0(C) R &gt;= 0(D) R &gt; 0

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If the difference between 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(D) R > 0