Neco 2017 Civic Education Question 26
Practice objective / multiple choice question 26 from the 2017 Neco Civic Education examination.
From a survey of 2,000 secondary school students, \(12\%\) reported having tried cannabis, \(8\%\) reported having tried inhalants, and \(5\%\) reported having tried both substances. Among the students who have tried cannabis, \(30\%\) also use alcohol heavily. If a student is selected at random, what is the probability (as a percentage to one decimal place) that the student has tried either cannabis or inhalants but does not use alcohol heavily?
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About This Question
This is Neco 2017 Civic Education Question 26. It is one of the objective questions from the 2017 Neco Civic Education examination.
Difficulty level: Hard .
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