Gce Model Questions Vol1 2023 Civic Education Question 3
Practice objective / multiple choice question 3 from the 2023 Gce Model Questions Vol1 Civic Education examination.
A survey of 1,200 secondary‑school students found that \(18\%\) had tried cannabis, \(12\%\) had tried inhalants, and \(5\%\) had tried both.\n\n(a) What is the probability that a randomly selected student who has tried cannabis has also tried inhalants?\n\n(b) The Ministry plans a programme that will reduce the proportion of students who have tried cannabis by \(25\%\) of its current value, while the proportion who have tried inhalants remains unchanged. Assuming the overlap (students who tried both) is reduced by the same percentage, what will be the new overall percentage of students who have tried either cannabis or inhalants (or both) after the programme?
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About This Question
This is Gce Model Questions Vol1 2023 Civic Education Question 3. It is one of the objective questions from the 2023 Gce Model Questions Vol1 Civic Education examination.
Difficulty level: Hard .
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