Neco 2020 Further Mathematics Question 17

Practice objective / multiple choice question 17 from the 2020 Neco Further Mathematics examination.

Neco 2020 Further Mathematics Objective / Multiple Choice Hard Difficulty
Question 17 NECO • 2020 • FURTHER_MATHEMATICS • objective

In a factory, 60% of the widgets produced are type A and 40% are type B. A type A widget is defective with probability 0.02, while a type B widget is defective with probability 0.05. If a randomly selected widget is found to be defective, (a) what is the probability that it is type B? (b) If the factory produces 10,000 widgets, what is the expected number of defective type B widgets?

Answer Options

Correct Answer A. Probability = 5/8; Expected number = 200
B. Probability = 2\/3; Expected number = 300
C. Probability = 3\/5; Expected number = 250
D. Probability = 1\/2; Expected number = 150
Correct Answer
A
Correct Option:
Probability = 5/8; Expected number = 200

About This Question

This is Neco 2020 Further Mathematics Question 17. It is one of the objective questions from the 2020 Neco Further Mathematics examination.

Difficulty level: Hard .

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