Calculate A Sample Size of a Population Proportion

I think we need a new teacher; this one keeps asking us for the answers! The video walks through how to solve for sample size when you are given a z score, proportion, and margin of error. It also explains a graph of the relationship between sample size and proportion. 

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CCSS: Adaptable
Instructional Ideas

  • Create practice problems to complete after viewing the video
  • The resource would work well as homework in a flipped classroom
Classroom Considerations

  • Lesson assumes prior knowledge of z scores, proportion, and margin of error
  • The fourth video in a series of six

  • Step-by-step instructions are simple to follow

  • The video only solves one problem
Common Core