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Is the Moment Generating Function Solution Correct?

Thread starter boneill3
Start date Apr 9, 2009
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Function Generating function Moment

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4 replies · 3K views

boneill3

Thread starter
Apr 9, 2009

#1

Homework Statement

Find the mgf of 2/25*(5-y) fo 0<y<5

Homework Equations

M(t) = INT e^yt f(y)dy

The Attempt at a Solution

= (2*(e^(5t)-5t-1))/25t

Is this ok

Discussion

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Billy Bob

Apr 9, 2009

#2

I got a different denominator. One of us is wrong, probably me?

boneill3

Apr 13, 2009

#3

Sorry my mistake I forgot to square the denomiator Is this better?

= (2*(e^(5t)-5t-1))/(25t)^2
regards
Brendan

Billy Bob

Apr 13, 2009

#4

25 shouldn't be squared.

boneill3

Apr 13, 2009

#5

Oops
= (2*(e^(5t)-5t-1))/25t^2
Brendan

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