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.
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):|
|Sample Size (n):|
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