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AST Practice Questions - ACT Scaling Test (AST) Exam

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A jury study found that when DNA match evidence was given as a frequency ('1 in 1000 people match'), 74% answered a follow-up question correctly, versus only 26% when given as a percentage ('0.1% chance it is not the suspect'). Out of 500 000 people, how many would be expected to have DNA matching the suspect's, using the 1-in-1000 frequency?
Correct Answer:
500

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