| Testing Population Mean with known Variance | ||
| Population variance | NA | |
| Sample size | 30 | |
| Sample mean | 95.8 | |
| Confidence interval | NA | |
| Type of Interval | Left tail | Right tail |
| Two-sided confidence interval at NA | NA | NA |
| Left one-sided confidence interval at NA | NA | +inf |
| Right one-sided confidence interval at NA | -inf | NA |