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Competitive Stats
Q113Section III (Statistics)113 of 180

Recognising e−∣t∣e^{-|t|} as the standard Cauchy (= t1t_1) characteristic function

Suppose ϕ(t)=exp⁡(−∣t∣)\phi(t)=\exp(-|t|) is a characteristic function of a random variable X. Then the distribution of X is:

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