Tossing a coin until the first Head appears

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Advanced Engineering Mathematics

ISBN: 978-0471488859

9th Edition

Authors: ERWIN KREYSZIG

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Question Posted: Nov 07, 2010 04:21 AM

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Flip a coin until the second head comes up. Let X be the number of flips needed to get the second head. What is the E(X)?
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Tossing a coin until the first Head appears

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Advanced Engineering Mathematics

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