Which of the following are valid PDFs? Justify your answer. a. (f(x)=(.2)^{x}(.6)^{1-x} I_{{0,1}}(x)) b. (f(x)=(.3)(.7)^{x} I_{{0,1,2, ldots}}{x})
Question:
Which of the following are valid PDFs? Justify your answer.
a. \(f(x)=(.2)^{x}(.6)^{1-x} I_{\{0,1\}}(x)\)
b. \(f(x)=(.3)(.7)^{x} I_{\{0,1,2, \ldots\}}\{x\}\)
c. \(f(x)=.6 e^{-x / 4} I_{(0, \infty)}(x)\)
d. \(f(x)=x^{-1} I_{[1, e]}(x)\)
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Related Book For
Mathematical Statistics For Economics And Business
ISBN: 9781461450221
2nd Edition
Authors: Ron C.Mittelhammer
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