Gce Model Questions Vol1 2017 Computer Studies Question 21
Practice objective / multiple choice question 21 from the 2017 Gce Model Questions Vol1 Computer Studies examination.
A software company is testing three modules. Module A has 2000 lines of code (LOC) and a defect density of 0.8 defects per 100 LOC. The testing process finds \(90\%\) of its defects. Module B has 1500 LOC and a defect density of 1.2 defects per 100 LOC, with a detection rate of \(75\%\). Module C has 2500 LOC, a defect density of 0.6 defects per 100 LOC, and a detection rate of \(85\%\). Assuming defects are independent, what is the expected total number of defects that remain undetected after testing, expressed to two decimal places?
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This is Gce Model Questions Vol1 2017 Computer Studies Question 21. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Computer Studies examination.
Difficulty level: Medium .
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