Suppose f(x) is an even probability density so that f(x) = f(-x). Define g(x) = foo f(s) ds, S g(-x), ds, if x > 0, if x < 0. Why is g a probability density? If has chf (t), how can you express the characteristic function of g in terms of ?

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Advanced Math
Suppose f(x) is an even probability density so
that f(x) = f(-x). Define
g(x) =
=
[ff(s) ds, ifx>0,
g(-x),
if x < 0.
Why is g a probability density?
If has chf (t), how can you express the
characteristic function of g in terms of ?
Transcribed Image Text:Advanced Math Suppose f(x) is an even probability density so that f(x) = f(-x). Define g(x) = = [ff(s) ds, ifx>0, g(-x), if x < 0. Why is g a probability density? If has chf (t), how can you express the characteristic function of g in terms of ?
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