Question: 17. Let N be a nonnegative, integer-valued random variable. Show that P{N > 0} (E[N])2 E[N2] and explain how this inequality can be used to

17. Let N be a nonnegative, integer-valued random variable. Show that P{N > 0} (E[N])2 E[N2]

and explain how this inequality can be used to derive additional bounds on a reliability function.

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