4. Let X have the pdf f(x) = for some ß> 0 and x € (0,0). (a) Verify that f(x) is a pdf. (b) Find E(X) and var(X). 4 33√√ =r² exp(-x²/3²)
4. Let X have the pdf f(x) = for some ß> 0 and x € (0,0). (a) Verify that f(x) is a pdf. (b) Find E(X) and var(X). 4 33√√ =r² exp(-x²/3²)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.4: Logarithmic Functions
Problem 45E
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