Gce Model Questions Vol1 2021 Further Mathematics Question 38

Practice objective / multiple choice question 38 from the 2021 Gce Model Questions Vol1 Further Mathematics examination.

Gce Model Questions Vol1 2021 Further Mathematics Objective / Multiple Choice Hard Difficulty
Question 38 GCE_MODEL_QUESTIONS_VOL1 • 2021 • FURTHER_MATHEMATICS • objective

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 the remaining 40 % and has a defect rate of 5 %. 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 (the machine is unknown). What is the probability that the second item is also defective? Express your answer as a reduced fraction.

Answer Options

A. 31/400
B. 29/800
C. 33/800
Correct Answer D. 31/800
Correct Answer
D
Correct Option:
31/800

About This Question

This is Gce Model Questions Vol1 2021 Further Mathematics Question 38. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Further Mathematics examination.

Difficulty level: Hard .

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support