Gce Model Questions Vol1 2020 Agricultural Science Question 29
Practice objective / multiple choice question 29 from the 2020 Gce Model Questions Vol1 Agricultural Science examination.
A field of \(5\) ha is suspected to have an incidence of a certain pest of about \(12\%\) of the plants. To estimate the true incidence with a margin of error of \(\pm3\%\) at the 95 % confidence level, what is the minimum number of plants that should be randomly sampled? (Assume the field is large enough for the simple random‑sample formula.)
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About This Question
This is Gce Model Questions Vol1 2020 Agricultural Science Question 29. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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