Waec Model Questions Vol1 2023 Geography Question 23
Practice objective / multiple choice question 23 from the 2023 Waec Model Questions Vol1 Geography examination.
A community is exposed to two environmental hazards.\n• Flood: probability of occurrence per year = 0.02, average economic loss per event = ₦150 million.\n• Landslide: probability per year = 0.01, average loss per event = ₦300 million.\nTwo mitigation options are available:\nOption A - reduces the flood probability by 40 % at a cost of ₦20 million (no effect on landslide).\nOption B - reduces the landslide loss by 30 % at a cost of ₦25 million (no effect on flood).\nThe community can spend at most ₦30 million on mitigation. Determine which combination of options (A only, B only, both, or none) gives the greatest reduction in expected annual loss and state the resulting expected annual loss (in ₦ million, to one decimal place).
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About This Question
This is Waec Model Questions Vol1 2023 Geography Question 23. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Geography examination.
Difficulty level: Hard .
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