Assume that a program will experience 200 failures in infinite time. It has now experienced 100 failures. The initial failure intensity was 20 failures/CPU…
Assume that a program will experience 200 failures in infinite time. It has now experienced 100 failures. The initial failure intensity was 20 failures/CPU hr. Then the current failure intensity will be
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Correct answer: (B) 10 failures/CPU hr.
Explanation
Ν₀ = 200 failures, μ = 100 failures, λ₀ = 20 failures/CPU hr. Current failure intensity = λ₀(1 − μ/ν₀) = 20(1 − 100/200) = 20(1 − 0.5) = 10 failures/CPU hr. So the answer is (b).