PBL Pathways

Content Area

Conditional probability, Baye's Rule

Time Frame

2 to 3 weeks with mini-lectures


November 3, 2010


Probability, conditional probability, Baye's

Project Title

Tax Examination


David Graser, Yavapai College, Prescott, AZ (David_Graser@yc.edu)


This project helps students to examine how the likelihood of having a tax return examined is influenced by whether the taxpayer requests a refund or not. This is one of the last projects I use in Finite Math so students are expected to attack the problem with a limited number of scaffolding resources.

Project Content

Project Letter - DOC | PDF

Scaffolding Resources

Handout: Baye's Theorem Example - DOC | PDF
Handout: Baye's Rule and Medical Testing- DOC | PDF


Interpreting which probabilities the numbers correspond to is the most challenging aspect of this project.


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