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4.5 Statistical distributions (A-level only)

4.5 Statistical distributions (A-level only)

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Question 27

The daily amount of water consumed by a plant of a certain species, in millilitres, is Normally distributed with mean 250 ml and standard deviation 40 ml.

Find the daily water consumption that is not exceeded by 95% of these plants. Give your answer to the nearest millilitre.

[2]
Markscheme

4.5 Statistical distributions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.5 Statistical distributions (A-level only)

284 exam-style questions on CCEA A Level Maths 4.5 Statistical distributions (A-level only), covering 4.5.1 Statistical distributions (A-level only) and 4.5.2 Statistical distributions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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