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Confidence Interval Calculator
Solve Confidence Interval with a transparent method.
Choose an interval workflowBuild an interval from sample statistics or inspect an interval you already have.
2 optionsMARGIN OF ERROR2.93994598
Build confidence interval: Builds a normal confidence interval at the selected confidence level, optionally corrects for a finite population, and reports the lower and upper bounds.
- Confidence level
- 95%
- Critical Z
- 1.95996399
- Standard error
- 1.5
- Finite-population factor
- 1
- Margin of error
- 2.93994598
- Lower bound
- 97.06005402
- Upper bound
- 102.93994598
Formula checkedBuilds a normal confidence interval at the selected confidence level, optionally corrects for a finite population, and reports the lower and upper bounds.