Chebyshevs inequality. Let X be a nonnegative-integer-valued random variable. Suppose
Chapter 34, Problem 34.24(choose chapter or problem)
Chebyshevs inequality. Let X be a nonnegative-integer-valued random variable. Suppose E.X / D and Var.X / D 2 . Let a be a positive integer. Prove: P jX j a 2 a 2 :
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