Let f X (x) = A exp (-bx) u(x - 2) for all x where A and

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Let f_X(x) = A exp (-bx) u(x - 2) for all x where A and b are positive constants.

(a) Find the relationship between A and b such that this function is a pdf.

(b) Calculate E(X) for this random variable.

(d) What is the variance of this random variable?

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Principles of Communications Systems, Modulation and Noise

ISBN: 978-8126556793

7th edition

Authors: Rodger E. Ziemer, William H. Tranter

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Question Posted: Sep 19, 2018 01:04 PM

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Let f X (x) = A exp (-bx) u(x - 2) for all x where A and

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a The normalization of the pdf to unity provides th...View the full answer

Principles of Communications Systems, Modulation and Noise

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