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Distributionshard
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Which of the following is the characteristic function ϕ(t)\phi(t)ϕ(t) for the Laplace distribution with PDF f(x)=12be−∣x−μ∣bf(x) = \frac{1}{2b} e^{-\frac{|x-\mu|}{b}}f(x)=2b1​e−b∣x−μ∣​?