- #1
johnaphun
- 14
- 0
Hi guys,
I need to find the moment generating function for X ~ N (0,1) and then also the MGF for X2 . I know how to do the first part but I'm unsure for X2.
do i use the identity that if Y = aX then
MY(t) = E(eY(t)) = E(e(t)aX)
or do i just square 2pi-1/2e x2/2 and then solve as normal for an MGF?
I need to find the moment generating function for X ~ N (0,1) and then also the MGF for X2 . I know how to do the first part but I'm unsure for X2.
do i use the identity that if Y = aX then
MY(t) = E(eY(t)) = E(e(t)aX)
or do i just square 2pi-1/2e x2/2 and then solve as normal for an MGF?