Question: Prove Markov's Inequality: If X is any random variable and a > 0, then Pr( |X| a) E( |X| )/a. Show how this

Prove Markov's Inequality: If X is any random variable and a > 0, then Pr( |X| ≥ a) ≤ E( |X| )/a. Show how this inequality can be applied to Theorems 5.2 and 5.3.

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