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Question

Secure https://www.mathxl.com/Student/Player Test aspx?testld-1594896128 centenwin yes MGF1106 10729 MWF 10 10:50AM Madison Whiting 4/21/17 650 PM Test: Test 3 Chapters 11 and 12 Time Remaining: 02:51:26 Submit Tes This Question: 1 pt. 5 of 31 This Test: 31 pts possibl scores on the GRE (Graduate Record Examination are normally distributed with a mean of 523 and a the Rule find the percentage of people taking the test who score below 415. standard deviation of 108. Use 68 to The percentage of people taking the test who score below 415 is option Enter your answer in the answer box. Save for Later

Explanation / Answer

415 is 1 standard deviation below the mean score of 523

68.27% of population will have a score within 1 standard deviation

So, 68.27/2 % = 34.135% will hav a score between 415 and 523

50% has score less than 523

So, the percentage of people taking the test who score below 415 is 50-34.135 = 15.865%

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