Safur wants to estimate the number of deer in a forest.
He catches a sample of 40 deer, tags them and releases them back into the forest.
The following week, he takes a second sample of 40 deer.
The number of deer in the forest is estimated to be 320.
Work out the number of these deer that have been tagged.
Write down an assumption you have made.
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.