A random variable X has the probability-density function where Î± is an arbitrary positive constant. (a) Determine

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A random variable X has the probability-density function

-ах {3 аеах, х > 0 Sx (х) %— 0, х <0

where Î± is an arbitrary positive constant.
(a) Determine the characteristic function M_x(jv).

(b) Use the characteristic function to determine E[X] and E[X²].

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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: Nov 17, 2018 07:57 AM

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A random variable X has the probability-density function where Î± is an arbitrary positive constant. (a) Determine

Question:

-ах {3 аеах, х > 0 Sx (х) %— 0, х <0

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a The characteristic function ...View the full answer

Principles of Communications Systems, Modulation and Noise

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