Nonparametric Distribution
Analysis - Arbitrary Censoring

Turnbull Estimation Method - Survival Probabilities

  

The survival probabilities are the probability the product survives until a particular time. Use these values to determine if your product meets reliability requirements or compare the reliability of two or more designs of a product.

Example Output

          Survival   Standard   95.0% Normal CI

 Time  Probability      Error     Lower    Upper

30000     0.997140  0.0016488  0.993909  1.00000

40000     0.986654  0.0035430  0.979710  0.99360

50000     0.954242  0.0064517  0.941597  0.96689

60000     0.851287  0.0109856  0.829756  0.87282

70000     0.680648  0.0143949  0.652435  0.70886

80000     0.431840  0.0152936  0.401865  0.46181

90000     0.200191  0.0123546  0.175976  0.22441

Interpretation

For the muffler data, 0.954242 (or 95.4242%) of the new line of mufflers lasted at least 50,000 miles.

 

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