Moment generating function

  • Thread starter boneill3
  • Start date
  • #1
127
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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
 

Answers and Replies

  • #2
392
0
I got a different denominator. One of us is wrong, probably me?
 
  • #3
127
0
Sorry my mistake I forgot to square the denomiator Is this better?

= (2*(e^(5t)-5t-1))/(25t)^2
regards
Brendan
 
  • #4
392
0
25 shouldn't be squared.
 
  • #5
127
0
Oops
= (2*(e^(5t)-5t-1))/25t^2
Brendan
 

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