(a) Consider the function f(1) = 1 on 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 6T
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Question
(a) Consider the function
f(x) :
1
on 0<x <a.
I+1
Find the value of a for which f(r) is a valid pdf.
(b) Let X follow the beta distribution with pdf
S(2) = Kr (1– 2)² on 0 <z< 1.
%3D
Evaluate the value of K.
(c) Let X follow the gamma distribution with pdf
-ba
f(x) =
r(a)
on r>0.
If a = 1 and V(X)=4 find the value of b, and hence find E(X).
%3D
Transcribed Image Text:(a) Consider the function f(x) : 1 on 0<x <a. I+1 Find the value of a for which f(r) is a valid pdf. (b) Let X follow the beta distribution with pdf S(2) = Kr (1– 2)² on 0 <z< 1. %3D Evaluate the value of K. (c) Let X follow the gamma distribution with pdf -ba f(x) = r(a) on r>0. If a = 1 and V(X)=4 find the value of b, and hence find E(X). %3D
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