Neco 2018 Further Mathematics Question 10

Practice objective / multiple choice question 10 from the 2018 Neco Further Mathematics examination.

Neco 2018 Further Mathematics Objective / Multiple Choice Hard Difficulty
Question 10 NECO • 2018 • FURTHER_MATHEMATICS • objective

The number of defects occurring in a day at a manufacturing plant follows a Poisson distribution. The probability that a day has no defects is 0.2. Determine the mean number of defects per day, and then find the probability that on a given day there are at least two defects. Give the probability to three decimal places.

Answer Options

Correct Answer A. Mean \lambda = \ln 5 \approx 1.609; Probability \approx 0.478
B. Mean \\lambda = \\ln 3 \\approx 1.099; Probability \\approx 0.610
C. Mean \\lambda = \\ln 4 \\approx 1.386; Probability \\approx 0.523
D. Mean \\lambda = \\ln 6 \\approx 1.792; Probability \\approx 0.412
Correct Answer
A
Correct Option:
Mean \lambda = \ln 5 \approx 1.609; Probability \approx 0.478

About This Question

This is Neco 2018 Further Mathematics Question 10. It is one of the objective questions from the 2018 Neco Further Mathematics examination.

Difficulty level: Hard .

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