# Moment Generating Function

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• June 7th 2011, 03:47 PM
lindah
Moment Generating Function
MGF Question

Before I try computing the expectation as per the question requirement, I would like to confirm if the MGF I have derived is correct?

My answer after:
$=\int e^{tx}\ f(x)\ dx$
$=\frac{(3t-1)e^t + (1-t)e^{-t}}{4t^2}$

Thank you
• June 11th 2011, 08:03 PM
dwsmith
Quote:

Originally Posted by lindah
MGF Question

Before I try computing the expectation as per the question requirement, I would like to confirm if the MGF I have derived is correct?

My answer after:
$=\int e^{tx}\ f(x)\ dx$
$=\frac{(3t-1)e^t + (1-t)e^{-t}}{4t^2}$

Thank you

Looks good.