Plinko Probability
Original Sim and Translations 
Topics
 Probability
 Statistics
 Histograms
Description
Drop balls through a triangular grid of pegs and see them accumulate in containers. Switch to a histogram view and compare the distribution of balls to an ideal binomial distribution. Adjust the binary probability and develop your knowledge of statistics!
Sample Learning Goals
 Predict the bin where a single ball might fall
 Repeat trials of 100 balls and compare the outcomes
 Count the number of balls in a bin and relate that to the probability of falling in that bin
 Compare and interpret empirical and theoretical statistics
 Apply the plinko simulation as a model to other scenarios where there are weighted statistics
Standards Alignment
Common Core  Math
Teacher Tips
Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). 
TeacherSubmitted Activities
Title  Authors  Level  Type  Subject  

Displaying, Analyzing, and Summarizing Data  Jeffrey Bush  MS  Guided  Mathematics  
What are the chances?  Susan Miller  MS HS 
Guided  Mathematics  
Alignment of PhET sims with NGSS  Trish Loeblein  HS  Other  Biology Earth Science Chemistry Physics 

How do PhET simulations fit in my middle school program?  Sarah Borenstein  MS  Other  Earth Science Chemistry Biology Physics 

CCSS Math Alignment with Sims  Amanda McGarry  HS K5 MS 
Other  Mathematics  
Plinko Probability for LongRun Frequencies  Kelly Findley  MS  Guided  Mathematics  
Preguntas de razonamiento para todas las simulaciones HTML5  Diana López  HS K5 UGIntro MS Grad UGAdv 
HW Discuss 
Astronomy Chemistry Mathematics Physics 

Atividade com objeto de aprendizagem do Phet  Renato Tavarez  HS  Guided  Mathematics 
Browse legacy activities.
The new HTML5 sims can run on iPads and Chromebooks, as well as PC, Mac, and Linux systems.
iPad:
iOS 11+ Safari
iPad compatible sims
Android:
Not officially supported. If you are using the HTML5 sims on Android, we recommend using the latest version of Google Chrome.
Chromebook:
Latest version of Google Chrome
The HTML5 and Flash PhET sims are supported on all Chromebooks.
Chromebook compatible sims
Windows Systems:
Microsoft Edge and Internet Explorer 11, latest version of Firefox, latest version of Google Chrome.
Macintosh Systems:
macOS 10.9.5+, Safari 9+, latest version of Chrome.
Linux Systems:
Not officially supported. Please contact phethelp@colorado.edu with troubleshooting issues.
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