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3. Suppose that X is a nonegative integer valued random variable. Show that E[X] = P(X ). Hint: Start with the formula EX= k=

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Jiven that x is a non-negative in - Integer valued random variable. - prove that I E(x] = P(XZK). K=1 Proof: - From the defin

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3. Suppose that X is a nonegative integer valued random variable. Show that E[X] = P(X...
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