Compare · Sample Size Calculator
Two independent scenarios side by side.
Scenario A
Sample size
Required n
383
0.4% of population
Without finite-population correction
385
What you'd use for an effectively infinite population
z-score used
1.960
For 95% confidence
Scenario B
Sample size
Required n
383
0.4% of population
Without finite-population correction
385
What you'd use for an effectively infinite population
z-score used
1.960
For 95% confidence