A small-business Web site contains 100 pages and 60%, 30%, and 10% of the pages contain low, moderate, and high

Question:

A small-business Web site contains 100 pages and 60%, 30%, and 10% of the pages contain low, moderate, and high graphic content, respectively. A sample of four pages is selected without replacement, and X and Y denote the number of pages with moderate and high graphics output in the sample. Determine
(a) fXY (x, y)
(b) fX (x)
(c) E(X)
(d) fY|3 (y)
(e) E(Y)|X = 3)
(f) V(Y|X = 3)
(g) Are X and Y independent?

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Related Book For  answer-question

Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: April 01, 2010 02:34:10