Revision as of 17:56, 3 November 2008 by Dkamboj (Talk)

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For Bernoulli RVs,

$ E[X^2] = E[X] = p \! $

After maximizing the variance equation, we get the result as:

$ Var(X) = p(1-p)\! $

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Abstract algebra continues the conceptual developments of linear algebra, on an even grander scale.

Dr. Paul Garrett