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Q50Section I (Objective (Q1–Q80))50 of 80

Distribution Theory — fourth central moment from characteristic function

The characteristic function of a random variable XX is given by ΦX(t)=e2t(i−t)\Phi_X(t) = e^{2t(i-t)}; ∣t∣≤1|t| \le 1. What is the fourth order central moment of the distribution?

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