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Mutation score = _____________ / total number of mutants

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Mutation score = _____________ / total number of mutants

(a) Number of mutants killed

(b) Number of mutants not killed

(c) Total number of mutants

(d) Total number of live mutants

I had been asked this question during an internship interview.

My question is from Jetty as an Embedded Server topic in division Coarse-grained Testing with Stubs of JUnit

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Best answer
Right choice is (a) Number of mutants killed

To explain I would say: The number of mutants killed or the number of dead mutants is used in calculating the mutation score.

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