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Capture Recapture

Capture Recapture

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Question 2

Toby wants to estimate the number of fish in a large pond. He catches a sample of 40 fish, marks them and releases them back into the pond. A week later, he catches a second sample of 50 fish and finds that 8 of these fish are marked.

a.

Work out an estimate for the number of fish in the pond.

[2]
b.

Write down any assumptions you have made.

[1]
Markscheme

Capture Recapture Questions

  1. GCSE
  2. /Maths
  3. /Capture Recapture

20 exam-style questions on AQA GCSE Maths Capture Recapture. Each one has a worked solution and a mark scheme showing where the marks go.

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