Question: Markovs inequality (Proposition 4.11) concerns a nonnegative random variable. An extended version of this inequality that applies to any random variable X is the following:

Markov’s inequality (Proposition 4.11) concerns a nonnegative random variable.

An extended version of this inequality that applies to any random variable X is the following:E(IXI) P(|X| t) t

for any t >

E(IXI) P(|X| t) t

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