A simple and effective demonstration of the binomial distribution using a Pachinko-like marble-drop simulation.
Type of Material:
Simulation - probably using Flash.
This would be a handy reference in introductory math and statistics courses.
Identify Major Learning Goals:
By manipulating the "bounce right" probability and the "number of bounces" the marbles make as they drop, students can observe the effect upon the frequency distribution.
Target Student Population:
This demonstration would be effective for high-school and college math and statistics students.
Prerequisite Knowledge or Skills:
Some basic understanding of probability would be helpful, but not essential, to derive some benefit from this simulation. This is not a site to which students could be sent without direction. A context is needed in order to truly appreciate what the site demonstrates.
For what it is, a simple demonstration, the quality is high.
No explanation is provided - the site would be much-improved if an introduction and conclusion were provided. How the site functions is not intuitive, yet no guidance is provided.
Potential Effectiveness as a Teaching Tool
The demonstration is easy to use and simple to understand.
There is no explanatory text accompanying the simulation. Most users would benefit from a description of the binomial distribution and a brief introduction to the factors being demonstrated/explored in the simulation.
Ease of Use for Both Students and Faculty
Very easy to use.
Directions are needed.
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