9. The GRE is a test that is widely used by many Universities throughout the country to determine graduate (Masters, Doctorate, Professional, etc) admissions. It consists of three parts: Verbal Reasoning, Quantitative Reasoning, and Analytical Writing (Source: www.ets.org). The 2014-15 scores for the Analytical Writing portion of the GRE is approximately normal with a mean score u=3.5 and standard deviation o=0.9. Use the 68-95-99.7 rule to draw the distribution of the data. a) 68% of the Analytical Writing scores fall between and b) 95% of the Analytical Writing scores fall between and c) 99.7% of the Analytical Writing scores fall between and

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9. The GRE is a test that is widely used by many Universities throughout the country to determine graduate
(Masters, Doctorate, Professional, etc) admissions. It consists of three parts: Verbal Reasoning, Quantitative
Reasoning, and Analytical Writing (Source: www.ets.org).
The 2014-15 scores for the Analytical Writing portion of the GRE is approximately normal with a mean score
u=3.5 and standard deviation o=0.9. Use the 68-95-99.7 rule to draw the distribution of the data.
a) 68% of the Analytical Writing scores fall between
and
b) 95% of the Analytical Writing scores fall between
and
c) 99.7% of the Analytical Writing scores fall between
and
d) What percent of GRE Analytical Writing scores lie above 2.6?
e) What percent of GRE Analytical Writing scores lie below 5.3?
f) What percent of GRE Analytical Writing scores lie below 1.7?
g) What percent of GRE Analytical Writing scores lie between 1.7 and 6.2?
h) How much score do you need to be in the top 16%?
i) How much score will push you to the bottom 2.5%?
Transcribed Image Text:9. The GRE is a test that is widely used by many Universities throughout the country to determine graduate (Masters, Doctorate, Professional, etc) admissions. It consists of three parts: Verbal Reasoning, Quantitative Reasoning, and Analytical Writing (Source: www.ets.org). The 2014-15 scores for the Analytical Writing portion of the GRE is approximately normal with a mean score u=3.5 and standard deviation o=0.9. Use the 68-95-99.7 rule to draw the distribution of the data. a) 68% of the Analytical Writing scores fall between and b) 95% of the Analytical Writing scores fall between and c) 99.7% of the Analytical Writing scores fall between and d) What percent of GRE Analytical Writing scores lie above 2.6? e) What percent of GRE Analytical Writing scores lie below 5.3? f) What percent of GRE Analytical Writing scores lie below 1.7? g) What percent of GRE Analytical Writing scores lie between 1.7 and 6.2? h) How much score do you need to be in the top 16%? i) How much score will push you to the bottom 2.5%?
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