chapter 4 additional examples

chapter 4 additional examples - Bayes Example: Region...

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Bayes Example: Region % of U.S. Population Percentage of Seniors Northeast 19.0 13.8 Midwest 23.1 13.0 South 35.5 12.8 West 22.4 11.1 What percentage of seniors live in the northeast (you can pick any region you want)? Step 1) To solve this problem, we first need to establish what percent of the total US population is seniors (total probability formula). Step 2) Then, we compute the percentage of seniors living in the northeast. Step 3) Divide the answer in step 2 by the answer from step 1. (This is Bayes’ formula.) (your solution will be .02622/.127 = .206) CIRCUIT PROBLEM (note we have not attempted something like this in class, so please look at this one carefully) A series circuit only works if all the components of the system are working, i.e. if it has 4 parts, all 4 parts must be working for the series to work. A parallel circuit will work if at least one component of the system is working, i.e. if at least 1 of the 4 parts is working it will work. Suppose that we have a series circuit and a parallel circuit each with 5 components and
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This note was uploaded on 02/06/2012 for the course STAT 225 taught by Professor Martin during the Spring '08 term at Purdue University-West Lafayette.

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chapter 4 additional examples - Bayes Example: Region...

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