Zero Means
When the mean (μ) is zero Chebyshev's inequality takes a simple form. Let σ2 be the variance. Then
With the same conditions Cantelli's inequality takes the form
Read more about this topic: Chebyshev's Inequality
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“In art the end does not sanctify the means: but sacred means employed here can sanctify the end.”
—Friedrich Nietzsche (1844–1900)
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—Henry David Thoreau (1817–1862)