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Could you please provide a proof for the following questions? I have answer already, so proof is what i am looking for. Thanks. Let X,,

Could you please provide a proof for the following questions? I have answer already, so proof is what i am looking for. Thanks.

Let X,, ..., X, be n independent Cauchy r.v.'s with identical pdf shown in Prob. 4.58. Let Y, = = ( X , + .. . + X, ) = = [x, n n = 1 (a) Find the characteristic function of Y, (b) Find the pdf of Y, .

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