Table 11: Required HCF-to-MWL ratios for the given probability of non-failure and time.

P

0.95

0.99

0.999

0.9999

0.99999

t, h

x

x

x

x

x

48

2.7030

4.3329

6.6400

8.9431

11.2457

240

4.3124

5.9424

8.2495

10.5525

12.8551

720

5.4110

7.0410

9.3481

11.8511

13.9537

8760

7.9097

9.5397

11.8468

14.1498

16.45424