The quantitative reasoning GRE scores are known to approximatelyhave a Normal distribution with a mean of ï = 151.3 points and astandard deviation of ï³ = 8.7 points.
a. Use the Empirical Rule to specify the ranges into which 68%,95%, and 99.7% of test takers fall. Include a picture to illustratethe ranges.
b. A graduate program in Public Policy Analysis admits onlystudents with quantitative reasoning GRE scores in the top 30%.What is the lowest GRE score the program will accept?
c. Above what score do the top 1% of GRE scores fall?