Neco 2017 Civic Education Question 23

Practice objective / multiple choice question 23 from the 2017 Neco Civic Education examination.

Neco 2017 Civic Education Objective / Multiple Choice Hard Difficulty
Question 23 NECO • 2017 • CIVIC_EDUCATION • objective

In 2015 a survey showed that \(12\%\) of secondary‑school students had tried cannabis. A national anti‑drug programme launched in 2016 aimed to achieve a \(30\%\) overall reduction in this prevalence by the end of 2018, assuming the same percentage reduction each year. A follow‑up survey in 2018 reported a prevalence of \(8.4\%\).\n\n(a) What constant annual relative reduction rate (to the nearest tenth of a percent) is required to meet the target?\n(b) Based on the observed data, did the programme achieve the required annual reduction rate? Show your calculations.

Answer Options

A. Required constant annual relative reduction ≈ 10.0 % per year. The observed data reflect an average reduction of about 10.0 % per year, so the programme did not achieve the target.
Correct Answer B. Required constant annual relative reduction ≈ 11.2 % per year. The observed data also reflect an average reduction of about 11.2 % per year, so the programme achieved the target.
C. Required constant annual relative reduction ≈ 9.8 % per year. The observed data reflect an average reduction of about 9.8 % per year, so the programme did not achieve the target.
D. Required constant annual relative reduction ≈ 12.5 % per year. The observed data also reflect an average reduction of about 12.5 % per year, so the programme achieved the target.
Correct Answer
B
Correct Option:
Required constant annual relative reduction ≈ 11.2 % per year. The observed data also reflect an average reduction of about 11.2 % per year, so the programme achieved the target.

About This Question

This is Neco 2017 Civic Education Question 23. It is one of the objective questions from the 2017 Neco Civic Education examination.

Difficulty level: Hard .

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