LA disk drive has a constant failure rate and an MTTF of 5000 hr. (a) What will the probability of failure be for one year of operation? (b) What will the probability of failure be for one year of operation if two of the drives are placed in active parallel and the failures are independent? (d) What will the probability of failure be for one year of operation if the system si changed to standby model. (e) Describe the effect on the MTTF with a switching failure probability of 0.05. (1) What would be change in MTTF if the probability of failure of standby unit is 10 percent of the failure of the primary unit in the standby mode?

MATLAB: An Introduction with Applications
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A disk drive has a constant failure rate and an MTTF of 5000 hr.
(a) What will the probability of failure be for one year of operation?
(b) What will the probability of failure be for one year of operation if two of the drives are
placed in active parallel and the failures are independent?
(d) What will the probability of failure be for one year of operation if the system si changed
to standby model.
(e) Describe the effect on the MTTF with a switching failure probability of 0.05.
() What would be change in MTTF if the probability of failure of standby unit is 10 percent
of the failure of the primary unit in the standby mode?
Transcribed Image Text:A disk drive has a constant failure rate and an MTTF of 5000 hr. (a) What will the probability of failure be for one year of operation? (b) What will the probability of failure be for one year of operation if two of the drives are placed in active parallel and the failures are independent? (d) What will the probability of failure be for one year of operation if the system si changed to standby model. (e) Describe the effect on the MTTF with a switching failure probability of 0.05. () What would be change in MTTF if the probability of failure of standby unit is 10 percent of the failure of the primary unit in the standby mode?
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