| Minimum Sample Size | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 0.36 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 538.308186718027 |
| Minimum Sample Size (1 sided test) | 382.172675601699 |
| Minimum Sample Size (for Infinite Populations) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | 0.36 |
| z(alpha/2) + z(beta) | 1.95996398454005 |
| z(alpha) + z(beta) | 1.64485362695147 |
| Minimum Sample Size (2 sided test) | 553.170070179954 |
| Minimum Sample Size (1 sided test) | 389.598257389739 |
| Minimum Sample Size (Unknown Population Variance) | |
| Population Size | 20000 |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 1.96438888106519 |
| t(alpha) + t(beta) | 1.64886100181623 |
| Minimum Sample Size (2 sided test) | 540.675761642961 |
| Minimum Sample Size (1 sided test) | 384.001329371166 |
| Minimum Sample Size (Infinite Population, Unknown Population Variance) | |
| Population Size | infinite |
| Margin of Error | 0.05 |
| Confidence | 0.95 |
| Power | 0.5 |
| Population Variance | unknown |
| t(alpha/2) + t(beta) | 1.964269526253 |
| t(alpha) + t(beta) | 1.64878424248387 |
| Minimum Sample Size (2 sided test) | 555.603087134328 |
| Minimum Sample Size (1 sided test) | 391.462484869887 |
