Neco Model Questions Vol1 2025 Civic Education Question 19

Practice objective / multiple choice question 19 from the 2025 Neco Model Questions Vol1 Civic Education examination.

Neco Model Questions Vol1 2025 Civic Education Objective / Multiple Choice Hard Difficulty
Question 19 NECO_MODEL_QUESTIONS_VOL1 • 2025 • CIVIC_EDUCATION • objective

A survey of \(2{,}500\) secondary school students found that \(12\%\) had used cannabis, \(8\%\) had used inhalants, and \(4\%\) had used both substances. (a) How many students have used either cannabis or inhalants? (b) How many students have used neither substance? (c) What is the probability (as a percentage) that a student who has used cannabis has also used inhalants?

Answer Options

A. Union: 350; Neither: 2150; Conditional probability: 28.57%
B. Union: 500; Neither: 2000; Conditional probability: 20%
C. Union: 450; Neither: 2050; Conditional probability: 40%
Correct Answer D. Union: 400; Neither: 2100; Conditional probability: 33.33\%
Correct Answer
D
Correct Option:
Union: 400; Neither: 2100; Conditional probability: 33.33\%

About This Question

This is Neco Model Questions Vol1 2025 Civic Education Question 19. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Civic Education examination.

Difficulty level: Hard .

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