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September 15, 2005
Tables, Trees, Venn Diagrams
For many basic probability problems, the most important step is making a good choice among the possible approaches: list the sample space, formulas, Venn diagram, table, tree, think hard.
Today's example and a couple of formulas:
A Venn diagram (the instructor's favorite):
A Venn diagram can handle three events. Four or more is in general impossible.
Do you prefer a table?
Or a tree?
3.26 provides an illustration of the point that there are multiple ways to arrange Venn diagrams (and trees and tables) for a given problem.
Posted by bparke at September 15, 2005 09:17 PM