Question: Let Z n be a -r.v. with a scale parameter of a and parameter equal to an integer n. Show that Z n may

Let Z_n be a Γ-r.v. with a scale parameter of a and parameter ν equal to an integer n. Show that Z_n may be represented as Y₁+...+Y_n, where Y’s are independent exponential r.v.’s with parameter a.

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