Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 530 and a standard deviation of 128. Use the empirical rule (i.e. the "68-95-99.7 rule") to find the percentage of people taking the test who score between 402, between 402 and 530, above 786, and below 402.
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Scores on the GRE (Graduate Record Examination) are
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