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2.4.12 Calculate probabilities from a Normal distribution (A-level only)

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Question 13

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.

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Markscheme

2.4.12 Calculate probabilities from a Normal distribution (A-level only) Questions

  1. A Level
  2. /Maths
  3. /2.4.12 Calculate probabilities from a Normal distribution (A-level only)

147 exam-style questions on OCR (MEI) A Level Maths 2.4.12 Calculate probabilities from a Normal distribution (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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