A testfixtest reliability growth program conducted growth te
A test-fix-test reliability growth program conducted growth testing in 100-hr increments with the following results:
Fit a Duane growth curve and estimate the additional time necessary to achieve an MTTF of 50 hrs
| Hours of test | Number of failures |
| 0-100 | 23 |
| 100-200 | 15 |
| 200-300 | 9 |
| 300-400 | 5 |
| 400-500 | 2 |
| 500-600 | 2 |
| 600-700 | 1 |
| 700-800 | 1 |
Solution
