Define the density function of X by f(x)=2 for x 1,2,3... and f(x)=0 otherwise. Find the moment generating function of X, and then use it to find Var(X).

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
ChapterA: Appendix
SectionA.2: Geometric Constructions
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Define the density function of X by f(x)=2
for x = 1,2,3... and f(x)= 0 otherwise.
3.
9.
Find the moment generating function ofX, and then use it to find Var(X).
Transcribed Image Text:Define the density function of X by f(x)=2 for x = 1,2,3... and f(x)= 0 otherwise. 3. 9. Find the moment generating function ofX, and then use it to find Var(X).
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