Question 610369
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Hi, 
SAT scores: mean = 500 and SD = 100
What SAT score I within the population would have a percentile rank of approximately 99
Let X represent that score
NORMSINV(0.99)= 2.326 = z = (X-500)/100
                232.6 = X - 500
                 732.6 = X  
or 733 SAT Score would have a percentile rank of approximately 99