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Capture Recapture

Capture Recapture

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Question 10

Leo wants to estimate the number of trout in a lake.

He catches a sample of 30 trout, marks them and releases them back into the lake.

The next day, he takes a second sample of 50 trout.

6 of these trout have been marked.

a.

Work out an estimate for the number of trout in the lake.

[2]
b.

Write down an assumption you have made.

[1]
Markscheme

Capture Recapture Questions

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

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

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