How To Calculate Conditional Probability Boxes With Defects

Branch out with a tree diagram. A presentation on complex probability explains the process of creating a tree diagram to represent the possible outcomes in a scenario. It then uses the diagram to calculate the probabilities of each of the possible outcomes. 

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CCSS: Adaptable
Instructional Ideas

  • Present the task before playing the video; ask pupils to brainstorm methods to calculate a specific probability
  • Conduct an experiment to test the probabilities calculated
Classroom Considerations

  • Requires Internet access to view the YouTube video
  • The fourth lesson in a six-part series

  • Animations enrich the lesson and provide a clear connection from the problem to the tree diagram
  • Shows all of the possible probability calculations, which creates a complete picture for the learner

  • The lesson calculates different types of probability, and the emphasis on conditional probability is not clear
Common Core