Question: Show that if variable X has a GAM(n, 1) distribution, where n is a positive integer, then its cdf is given by the following formula:
Show that if variable X has a GAM(n, 1) distribution, where n is a positive integer, then its cdf is given by the following formula:
FX(x) = 1
Γ(n)
x 0
t n−1e−t dt = 1 − e−x n
−1 j=0 xj j!
.
(Hint: Integrate by parts and use induction.)
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