Margin of Error Calculator
Use this margin of error calculator to Estimate margin of error for a sample proportion.
Margin of Error Calculator workspace
Estimate uncertainty for a sample proportion.
Result will appear here.
Enter the values and calculate to see the answer, formula context, and learning note.
Formula used
z × √(p(1 − p) ÷ n)
This formula is shown so learners can understand the statistical method instead of only copying the answer.
Education note
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