How is MTBF related to FR(N)?
A) MTBF is measured in hours, while FR(N) is measured in years.
B) MTBF is normally distributed, with FR(%) as its mean and FR(N) as its standard deviation.
C) MTBF is the reciprocal of FR(N).
D) Both MTBF and FR(N) increase when breakdown maintenance is replaced by preventive maintenance.
E) MTBF and FR(N) are unrelated concepts.
C
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