Show that E[(X a)2] is minimized at a = E[X].

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Show that E[(X − a)2] is minimized at a = E[X].

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A First Course In Probability

ISBN: 9789332519077

9th Edition

Authors: Sheldon Ross

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Question Posted: Oct 22, 2015 03:03 AM

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Show that E[(X a)2] is minimized at a = E[X].

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Let EX Then for any a E...View the full answer

A First Course In Probability

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