question: The 75 % rule states how much of a population must lie outside the range of other populations for a defining set of characters ?
answer: 99 %
turker_answer: The 75 % rule states that 99 % of a population must lie outside the range of other populations for a defining set of characters .
rule-based: The 75 % rule states 99 % a population must lie outside the range of other populations for a defining set of characters .