Post Utme Oau 2025 Mathematics Question 1
Practice objective / multiple choice question 1 from the 2025 Post Utme Oau Mathematics examination.
A factory operates two machines, M1 and M2. Machine M1 produces 70% of the total output and has a defect rate of 2%; Machine M2 produces 30% of the output and has a defect rate of 5%. An item selected at random from the total output is found to be defective. What is the probability that it was produced by Machine M2?
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About This Question
This is Post Utme Oau 2025 Mathematics Question 1. It is one of the objective questions from the 2025 Post Utme Oau Mathematics examination.
Difficulty level: Medium .
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