Gce Model Questions Vol1 2023 Further Mathematics Question 50
Practice objective / multiple choice question 50 from the 2023 Gce Model Questions Vol1 Further Mathematics examination.
A factory uses two machines, A and B, to produce items. Machine A produces 60 % of the output and has a defect rate of 2 %; machine B produces 40 % of the output and has a defect rate of 5 %. Two items are selected sequentially from the same machine (unknown which). Both items are found to be defective. What is the probability that the items were produced by machine B?
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About This Question
This is Gce Model Questions Vol1 2023 Further Mathematics Question 50. It is one of the objective questions from the 2023 Gce Model Questions Vol1 Further Mathematics examination.
Difficulty level: Hard .
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