A veterinary epidemiologist is conducting a biosecurity audit to monitor for a highly infectious avian influenza strain in a rural county.
Explain how the epidemiologist could use simple random sampling to select a sample of 45 commercial poultry farms from a regional registry containing 450 poultry farms to participate in the monitoring program.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 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.