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

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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

(b) fX 1x2

(c) (d)

(e) (f )
(g) Are X and Y independent?

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Applied Statistics And Probability For Engineers

ISBN: 9780471204541

3rd Edition

Authors: Douglas C. Montgomery, George C. Runger

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