Question

What is the number of failures expected in a certain time period in both BM and LPM models when faults are not being corrected anymore?

a.

The number of failures expected follows a binomial distribution

b.

The number of failures expected follows a Gaussian distribution

c.

The number of failures expected follows a Poisson distribution

d.

The number of failures expected is not mentioned in both models

Posted under Software Testing Software Engineering

Answer: (c).The number of failures expected follows a Poisson distribution Explanation:When faults are not being corrected anymore, both BM and LPM models reduce to a homogeneous Poisson process with failure intensity as the parameter. The number of failures expected in a certain time period follows a Poisson distribution.

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Q. What is the number of failures expected in a certain time period in both BM and LPM models when faults are not being corrected anymore?

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