tion: Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 506...

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tion: Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 506 and a standard deviation of 134. Use the 68-95-99.7 Rule to find the percentage of people taking the te who score between 238 and 774. The percentage of people taking the test who score between 238 and 774 is %. tion: Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 506 and a standard deviation of 134. Use the 68-95-99.7 Rule to find the percentage of people taking the te who score between 238 and 774. The percentage of people taking the test who score between 238 and 774 is %.