Uniqueness of Maximum Likelihood Estimators for a Backup System in a Condition-Based Maintenance

Table 1

The number for values of (𝑌(𝑘−1),𝑌(𝑘),𝑅(𝑘)).

Values	(0,0,0)	(0,1,0)	(1,1,0)	(0,0,1)	(1,0,1)
Number	𝑛1	𝑛2	𝑛3	𝑛4	𝑛5