Waec Model Questions Vol1 2020 Agricultural Science Question 25
Practice objective / multiple choice question 25 from the 2020 Waec Model Questions Vol1 Agricultural Science examination.
An extension officer plans a three‑year programme to promote an improved cassava variety. Year 1: training workshops costing ₦500,000, reaching 20 farmers; each trained farmer adopts the variety with probability 0.6. Year 2: demonstration plots costing ₦300,000; each plot involves 5 farmers, and each participant adopts with probability 0.8. Year 3: a radio campaign costing ₦200,000, reaching 10,000 listeners; each listener adopts with probability 0.02. Assuming no farmer or listener participates in more than one activity, what is the minimum number of demonstration plots required in Year 2 so that the expected total number of adopters over the three years is at least 500?
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About This Question
This is Waec Model Questions Vol1 2020 Agricultural Science Question 25. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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