Gce Model Questions Vol1 2018 Further Mathematics Question 18

Practice objective / multiple choice question 18 from the 2018 Gce Model Questions Vol1 Further Mathematics examination.

Gce Model Questions Vol1 2018 Further Mathematics Objective / Multiple Choice Hard Difficulty
Question 18 GCE_MODEL_QUESTIONS_VOL1 • 2018 • FURTHER_MATHEMATICS • objective

In a factory, 60% of the items are produced by machine \(M_{1}\) and 40% by machine \(M_{2}\). The defect rates are 2% for \(M_{1}\) and 5% for \(M_{2}\). An item is selected at random and found to be defective. A second item is then selected from the same machine that produced the first item. What is the probability that the second item is also defective? Give your answer as a fraction in lowest terms.

Answer Options

A. 29/800
Correct Answer B. 31/800
C. 33/800
D. 31/900
Correct Answer
B
Correct Option:
31/800

About This Question

This is Gce Model Questions Vol1 2018 Further Mathematics Question 18. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Further Mathematics examination.

Difficulty level: Hard .

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