Gce Model Questions Vol1 2020 Geography Question 7
Practice objective / multiple choice question 7 from the 2020 Gce Model Questions Vol1 Geography examination.
Between 2000 and 2010 a region experienced 4 minor floods, 3 moderate floods, 2 severe floods and 1 catastrophic flood. A flood is classified as ‘major' if it is severe or catastrophic. Assuming the past 10 years are representative, calculate: a) the probability that a major flood occurs in any given year; b) the expected number of major floods over the next 5 years; c) if a new flood‑defence scheme reduces the probability of a major flood by 40 %, how many fewer major floods are expected over the next 5 years compared with the original scenario?
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About This Question
This is Gce Model Questions Vol1 2020 Geography Question 7. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Geography examination.
Difficulty level: Hard .
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