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Unformatted text preview: convenient to use and some PDF is more convenient. Therefore we usually introduce both of them. x P ( x ) height 1.65m mean for men p ( x ) 2 PDF A PDF is usually obtained through experiments. For example, to character peoples, heights, we need many data from hospital or other sources. These PDFs can be very useful. For example, the they can be used to design, e.g., cloth, chairs, cars, doors, etc. Note that something may happen beyond our expectation. Think about Yao Ming comes to a bicycle shop to buy a bicycle! 100% error-free is not the principle of communication systems. We need a realistic performance criterion. Why? height 1.55m mean for women 1.65m mean for men p ( x )...
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This note was uploaded on 01/11/2011 for the course EE 3008 taught by Professor Pingli during the Fall '08 term at City University of Hong Kong.
- Fall '08