Reliability, Maintainability and Risk: Practical Methods for Engineers, Seventh Edition

| ? | 0.9995 | 0.999 | 0.995 | 0.990 | 0.975 | 0.95 | 0.90 | 0.80 | 0.70 | 0.60 |
|---|---|---|---|---|---|---|---|---|---|---|
| n | ||||||||||
| 1 | 0.0 6393 | 0.0 5157 | 0.0 4393 | 0.0 3157 | 0.0 3982 | 0.0 2393 | 0.0158 | 0.0642 | 0.148 | 0.275 |
| 2 | 0.0 2100 | 0.0 2200 | 0.0100 | 0.0201 | 0.0506 | 0.103 | 0.211 | 0.446 | 0.713 | 1.02 |
| 3 | 0.0153 | 0.0243 | 0.0717 | 0.115 | 0.216 | 0.352 | 0.584 | 1.00 | 1.42 | 1.87 |
| 4 | 0.0639 | 0.0908 | 0.207 | 0.297 | 0.484 | 0.711 | 1.06 | 1.65 | 2.19 | 2.75 |
| 5 | 0.158 | 0.210 | 0.412 | 0.554 | 0.831 | 1.15 | 1.61 | 2.34 | 3.00 | 3.66 |
| 6 | 0.299 | 0.381 | 0.676 | 0.872 | 1.24 | 1.64 | 2.20 | 3.07 | 3.83 | 4.57 |
| 7 | 0.485 | 0.598 | 0.989 | 1.24 | 1.69 | 2.17 | 2.83 | 3.82 | 4.67 | 5.49 |
| 8 | 0.710 | 0.857 | 1.34 | 1.65 | 2.18 | 2.73 | 3.49 | 4.59 | 5.53 | 6.42 |
| 9 | 0.972 | 1.15 | 1.73 | 2.09 | 2.70 | 3.33 | 4.17 | 5.38 | 6.39 | 7.36 |
| 10 | 1.26 | 1.48 | 2.16 | 2.56 | 3.25 | 3.94 | 4.87 | 6.18 | 7.27 | 8.30 |
| 11 | 1.59 | 1.83 | 2.60 | 3.05 | 3.82 | 4.57 | 5.58 | 6.99 | 8.15 | 9.24 |
| 12 | 1.93 | 2.21 | 3.07 | 3.57 | 4.40 | 5.23 | 6.30 | 7.81 | 9.03 | 10.2 |
| 13 | 2.31 | 2.62 | 3.57 | 4.11 | 5.01 | 5.89 | 7.04 | 8.63 | 9.93 | 11.1 |
| 14 | 2.70 | 3.04 | 4.07 | 4.66 | 5.63 | 6.57 | 7.79 | 9.47 | 10.8 | 12.1 |
| 15 | 3.11 | 3.48 | 4.60 | 5.23 | 6.26 | 7.26 | 8.55 | 10.3 | 11.7 | 13.0 |
| 16 | 3.54 | 3.94 | 5.14 | 5.81 | 6.91 | 7.96 | 9.31 | 11.2 | 12.6 | 14.0 |
| 17 | 3.98 | 4.42 | 5.70 | 6.41 | 7.56 | 8.67 | 10.1 | 12.0 | 13.5 | 14.9 |
| 18 | 4.44 | 4.90 | 6.26 | 7.01 | 8.23 | 9.39 | 10.9 | 12.9 | 14.4 | 15.9 |
| 19 | 4.91 | 5.41 | 6.84 | 7.63 | 8.91 | 10.0 | 11.7 | 13.7 | 15.4 | 16.9 |
| 20 | 5.40 | 5.92 | 7.43 | 8.26 | 9.59 | 10.9 | 12.4 | 14.6 | 16.3 | 17.8 |
| 21 | 5.90 |