Question: 8.8.7 Let X be a random variable such that a mgf mx(t) exists for all t . Use the same argument as in the proof

8.8.7 Let X be a random variable such that a mgf mx(t) exists for all t . Use the same argument as in the proof of the Chebyshev inequality to show that P{ X 2 y} I e - t YmX ( t ) ,t 2 0.

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