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Statistics LibreTexts

8: Sample Size to Estimate a Population Proportion

  • Page ID
    19751
  • Sample Size to Estimate a Population Proportion

    This calculator computes the sample size needed to estimate a population proportion. Please report the error to Dr. Jessica Kuang at jkuangATvcccd.edu.

    To learn how to use this calculator, please watch a short video here.

     

    Input

    Fill in the estimation for P (or choose no estimation for P), the error bound and the confidence level, then hit "Calculate " and the needed sample size will be calculated for you.

       No Estimate for p

       Have Estimate for p

    Estimate for p (enter a decimal):   Error Bound (enter a decimal):   Confidence Level (enter a decimal):  

     

     

    Output

    Sample Size (n):  

    (Powered by Desmos)

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