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What is the availability of the software with following reliability figures.

Mean Time Between Failures (MTBF) is 20 daysMean Time To Repair (MTTR) is 20 hours 

(A) 90%
(B) 96%
(C) 24%
(D) 50%

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What is the availability of the software with following reliability figures.

Mean Time Between Failures (MTBF) is 20 daysMean Time To Repair (MTTR) is 20 hours 

(A) 90%
(B) 96%
(C) 24%
(D) 50%

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