Let Y be a geometric random variable. Show that E(Y) = 1/P . Write Thus, Then use
Question:
Let Y be a geometric random variable. Show that E(Y) = 1/P . Write
Thus,
Then use the fact that
(The sum of this infinite series is given in most mathematical handbooks.)]
Transcribed Image Text:
E(Y) = PEyq"- where q = 1 - p %3D y=1 and note that dq" dq
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To show that EY 1P for a geometric random variable Y we can use the definition of the expected value ...View the full answer
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Related Book For
Statistics For Engineering And The Sciences
ISBN: 9781498728850
6th Edition
Authors: William M. Mendenhall, Terry L. Sincich
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