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Module 4: Software Testing

20192m

Measure of reliability is given by:
(i) Mean time between success
(ii) MTBF
(iii) Mean reliable
(iv) MTTR

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Answer

(ii) MTBF

Explanation

MTBF (Mean Time Between Failures) is a commonly used reliability measure for repairable systems. A higher MTBF generally indicates greater reliability.

MTBF = Total operating time / Number of failures

Final answer: (ii) MTBF

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