Leon wants to find an estimate for the number of fish in a lake.
He catches a sample of 40 fish in the lake and marks them with a safe dye. These fish are then released back into the lake.
The next week he catches a sample of 50 fish in the lake.
Leon finds that 8 of these fish are marked.
Work out an estimate for the number of fish in the lake.
Write down an assumption you have made.
Practise Eduqas GCSE Maths Capture Recapture with exam-style questions for Foundation and Higher tier. 20 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 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.
