- #1
EngWiPy
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Hi,
I have this random variable:
[tex]Z=\left(\sum_{m=1}^NX_m^{-1}\right)^{-1}[/tex]
where Xm are i.i.d. exponential random variables with parameter 1, i.e. the PDF of these random variables is:
[tex]f_{X_m}(x)=e^{-x}[/tex]
How can I find the CDF, PDF, and the MGF of Z?
Thanks
I have this random variable:
[tex]Z=\left(\sum_{m=1}^NX_m^{-1}\right)^{-1}[/tex]
where Xm are i.i.d. exponential random variables with parameter 1, i.e. the PDF of these random variables is:
[tex]f_{X_m}(x)=e^{-x}[/tex]
How can I find the CDF, PDF, and the MGF of Z?
Thanks