Neco 2018 Further Mathematics Question 8
Practice objective / multiple choice question 8 from the 2018 Neco Further Mathematics examination.
In a factory, 60% of the items are produced by Machine A and 40% by Machine B. The defect rates are 2% for Machine A and 5% for Machine B. An item is selected at random and found to be defective; a second item from the same production batch is then selected and found to be non‑defective. What is the probability that the first defective item was produced by Machine B?
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About This Question
This is Neco 2018 Further Mathematics Question 8. It is one of the objective questions from the 2018 Neco Further Mathematics examination.
Difficulty level: Hard .
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