4. If X is an integer-valued random variable with characteristic function ø, show that 1 P(X = k) = - 27 -itk o (1) dt. What is the corresponding result for a random variable whose distribution is arithmetic with span 2 (that is, there is probability one that X is a multiple of 2, and 1 is the largest positive number with this property)?
4. If X is an integer-valued random variable with characteristic function ø, show that 1 P(X = k) = - 27 -itk o (1) dt. What is the corresponding result for a random variable whose distribution is arithmetic with span 2 (that is, there is probability one that X is a multiple of 2, and 1 is the largest positive number with this property)?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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