Software-Engineering

Question 1

The availability of a complex software is 90%. Its Mean Time Between Failure (MTBF) is 200 days. Because of the critical nature of the usage, the organization deploying the software further enhanced it to obtain an availability of 95%. In the process, the Mean Time To Repair (MTTR) increased by 5 days.
What is the MTBF of the enhanced software?

A
205 days
B
300 days
C
500 days
D
700 days
Software-EngineeringSoftware-EngineeringGATE 2005-IT
Question 1 Explanation: 
Note: Out of syllabus.
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