The daily amount of water consumed by a species of plant is normally distributed with a mean of 250 ml and a standard deviation of 40 ml.
Find the daily water consumption value that is not exceeded by 95% of the plants. Give your answer to the nearest ml.
Practise Edexcel A Level Maths The Normal Distribution with exam-style questions for A Level Maths. 439 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
