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Statistics & Probability
Probability Distributions, Random Variables & Moments
For any random variable with finite variance, Var(X) equals: Select the result supported by the standard theorem.
परिमित प्रसरण वाले किसी भी यादृच्छिक चर के लिए Var(X) किसके बराबर है संबंधित प्रमेय से समर्थित परिणाम चुनिए।
A
E[X²] + E[X]
E[X²] + E[X]
B
E[X²] − (E[X])²
E[X²] − (E[X])²
C
E[X]²
E[X]²
D
(E[X])² − E[X²]
(E[X])² − E[X²]
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