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The Graduate Record Examination (GRE) is an exam taken by students who are attempting to get into graduate schools. The exam has three sections, including a math section titled "Quantitative Reasoning. The scores on this section of the exam follow an approximately normal distribution with a mean of 150 and a standard deviation of 9. a. Label the values for the mean, along with the values for 1, 2, and 3 standard deviations away from the mean. b. What percent of GRE test takers score between 141 and 168? c. What proportion of GRE test takers score above 135? d. In order to get into Harvard graduate school, a GRE test taker would need to be in the top 9% of all test takers. What is the minimum score needed to achieve this?

The Graduate Record Examination (GRE) is an exam taken by students who are attempting to get into graduate schools. The exam has three sections, including a math section titled "Quantitative Reasoning. The scores on this section of the exam follow an approximately normal distribution with a mean of 150 and a standard deviation of 9. a. Label the values for the mean, along with the values for 1, 2, and 3 standard deviations away from the mean. b. What percent of GRE test takers score between 141 and 168? c. What proportion of GRE test takers score above 135? d. In order to get into Harvard graduate school, a GRE test taker would need to be in the top 9% of all test takers. What is the minimum score needed to achieve this?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The Graduate Record Examination (GRE) is an exam taken by students who are attempting to get into graduate schools. The exam has three sections, including a math section titled "Quantitative Reasoning. The scores on this section of the exam follow an approximately normal distribution with a mean of 150 and a standard deviation of 9. a. Label the values for the mean, along with the values for 1, 2, and 3 standard deviations away from the mean. b. What percent of GRE test takers score between 141 and 168? c. What proportion of GRE test takers score above 135? d. In order to get into Harvard graduate school, a GRE test taker would need to be in the top 9% of all test takers. What is the minimum score needed to achieve this?
Transcribed Image Text:The Graduate Record Examination (GRE) is an exam taken by students who are attempting to get into graduate schools. The exam has three sections, including a math section titled "Quantitative Reasoning. The scores on this section of the exam follow an approximately normal distribution with a mean of 150 and a standard deviation of 9. a. Label the values for the mean, along with the values for 1, 2, and 3 standard deviations away from the mean. b. What percent of GRE test takers score between 141 and 168? c. What proportion of GRE test takers score above 135? d. In order to get into Harvard graduate school, a GRE test taker would need to be in the top 9% of all test takers. What is the minimum score needed to achieve this?
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