B-- If a m.g.f of X is as follows: M, (t)= (1-21)-7 , find E(x) and V(x).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 52E
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B- If a m.g.f of X is as follows: M, (t)= (1-21)-7 find E(x) and V(x).
Transcribed Image Text:B- If a m.g.f of X is as follows: M, (t)= (1-21)-7 find E(x) and V(x).
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