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The quantitative reasoning GRE scores are known to approximately have a Normal distribution with a mean...

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Statistics

The quantitative reasoning GRE scores are known to approximatelyhave a Normal distribution with a mean of  = 151.3 points and astandard deviation of  = 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?

Answer & Explanation Solved by verified expert
4.3 Ratings (792 Votes)
a According to the empirical rule about 68 of the data fallwithin one standard deviation from the mean 1513 87 1426 1513 87 16068 of test takers    See Answer
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