ZuoTi.Pro
Question

Statistics

Scores on the quantitative Graduate Record Exam (GRE) have a mean of 584 and a standard deviation of 151. Assume the scores are normally distributed. Suppose agraduate school requires (among other qualifications) that applicants score at or above the 90th percentile on the GRE quantitative exam. What score is required? Besure to include a picture and the calculator sequence.
math   statistics and probability   
1 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Given X~Normal(mean=584, s=151)

P(X<c)=0.9
--> P((X-mean)/s < (c-584)/151)) = 0.9
--> P(Z<(c-584)/151)) = 0.9
--> (c-584)/151) = 1.28 (check standard normal table)
--> c = 584+1.28*151 = 777.28

answered by: cattle
2 0
Add a comment
Know the answer?
Add Answer to:
Statistics
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 1) The Graduate Record Examination (GRE) is a standardized test that students usually take before entering...

    1) The Graduate Record Examination (GRE) is a standardized test that students usually take before entering graduate school. According to the document Interpreting Your GRE Scores, a publication of the Educational Testing Service, the scores on the verbal portion of the GRE are approximately normally distributed with a mean of 462 points and a standard deviation of 119 points. Find the 90th percentile for this exam score.  Please show your work, and steps. If there is a bell curve write one.

  • Assume that scores on the verbal portion of the GRE (Graduate Record Exam) follow the normal...

    Assume that scores on the verbal portion of the GRE (Graduate Record Exam) follow the normal distribution with mean score 151 and standard deviation 7 points, while the quantitative portion of the exam has scores following the normal distribution with mean 153 and standard deviation 7.67. Use this information to answer the following: (Please round to two decimal places) a) Find the score of a student who scored in the 80th percentile on the Quantitative Reasoning section of the exam....

  • I have a homework question for my class in Sociology of Statistics. I was hoping you...

    I have a homework question for my class in Sociology of Statistics. I was hoping you could help me with this problem and show the work. I am really struggling. The scores for the GRE quantitative portion of the exam are approximately normally distributed with a mean of 151.3 and a standard deviation of 8.7. You really want to get into a good graduate school program and hope to score well above the average to feel confident enough to get...

  • PLEASE TYPE DO NOT WRITE THANK YOU! The Graduate Record Examination (GRE) is a test required...

    PLEASE TYPE DO NOT WRITE THANK YOU! The Graduate Record Examination (GRE) is a test required for admission to many US graduate schools. Students’ scores on the quantitative portion of the GRE follow a normal distribution with a mean of 150 and a standard deviation of 8.8. In addition to other qualifications, a score of at least 152 is required for admission to a particular graduate school. a) Determine the 80thpercentile of GRE scores b) Determine the GRE scores that...

  • Normal Probability Distribution Instructions: Read the scenario and answer the questions below. R...

    Normal Probability Distribution Instructions: Read the scenario and answer the questions below. Round al probablities and proportions to 4 dedimal places The Graduate Record Examination (GRE) is a test required for admission to many U.S. graduate schools. Students' scores on the quantitative portion of the GRE follow a normal distribution with mean 150 and standard deviation 8.8. (Source:www.ets.org). A grad school requires that students score above 160 to be admitted. 1. What proportion of combined GRE scores can be expected...

  • Instructions: Read the scenario and answer the questions below. Round all probabilities and proportions to 4...

    Instructions: Read the scenario and answer the questions below. Round all probabilities and proportions to 4 decimal places. The Graduate Record Examination (GRE) is a test required for admission to many U.S. graduate schools. Students' scores on the quantitative portion of the GRE follow a normal distribution with mean 150 and standard deviation 8.8. (Source:www.ets.org). A graduate school requires that students score above 160 to be admitted. 1. What proportion of combined GRE scores can be expected to be over...

  • GRE (Graduate Record Exam) scores are normally distributed with a mean of 1000 and a standard...

    GRE (Graduate Record Exam) scores are normally distributed with a mean of 1000 and a standard deviation of 285 [N(1000, 285)]. Above what GRE score will put you in the top 1% of all graduate applications? (Round the answer to the nearest whole number). Teleord of

  • 11. Scores on a national exam are normally distributed with mean 382 and standard deviation 26....

    11. Scores on a national exam are normally distributed with mean 382 and standard deviation 26. Find the score that is the 50th percentile. b. Find the score that is the 90th percentile. a.

  • Multiple parts to the question. The scores on the verbal section of a certain graduate school...

    Multiple parts to the question. The scores on the verbal section of a certain graduate school entrance exam have a mean of 154 and a standard deviation of 8.6. Scores on the quantitative section of the exam have a mean of 155 and a standard deviation of 9.0. Assume the scores are normally distributed. Suppose a graduate school requires that applicants score at or above the 80th percentile on both exams. What verbal and quantitative scores are required? E Click...

  • The Director of the Doctor of Public Administration (DPA) degree program at Podscorb State University wants...

    The Director of the Doctor of Public Administration (DPA) degree program at Podscorb State University wants to raise standards for admission. As a first cut, she is thinking about rejecting from further consideration all applicants for admission whose combined scores on the verbal and quantitative portions of the Graduate Record Examination (GRE) fall into the bottom 70% of all who took the Examination in the previous year. Last year the combined scores on the GRE were normally distributed with a...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT