Neco Model Questions Vol1 2020 Geography Question 35
Practice objective / multiple choice question 35 from the 2020 Neco Model Questions Vol1 Geography examination.
Annual maximum rainfall in a catchment follows a normal distribution with mean \(\mu = 1200\) mm and standard deviation \(\sigma = 150\) mm. A dam is designed to withstand a flood corresponding to the 95th percentile of this distribution. Climate change is projected to increase the mean rainfall by 10 % and the standard deviation by 5 % over the next 30 years. What rainfall amount (in millimetres, rounded to the nearest millimetre) must the dam be able to withstand after the change to retain the same 95 % safety level?
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About This Question
This is Neco Model Questions Vol1 2020 Geography Question 35. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Geography examination.
Difficulty level: Hard .
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