Research Article
Joint Economic Design of CUSUM Control Chart and Age-Based Imperfect Preventive Maintenance Policy
Table 3
The expected residual costs and associated probabilities.
| State | Probability | Current cost | Expected residual cost |
| In control and no alarm | | | | In control but a false alarm | | | | Out of control but no alarm | | | | Out of control and a true alarm | | | |
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