Let X be the number appearing on the first die when two fair dice are rolled and

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Let X be the number appearing on the first die when two fair dice are rolled and let Y be the sum of the numbers appearing on the two dice. Show that E(X) E(Y) ≠ E(XY).

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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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Question Posted: May 03, 2016 01:45 AM

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Let X be the number appearing on the first die when two fair dice are rolled and

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We know from Examples 1 and 4 that EX 7 2 and EY 7 To compute EXY we need to find the va...View the full answer

Discrete Mathematics and Its Applications

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