Question

For a certain year, the mean math SAT score nationally was 527 with a standard deviation...

For a certain year, the mean math SAT score nationally was 527 with a standard deviation of 86. Scores were normally distributed.

Which value below is closest to the highest math SAT score a person could get and still be in the lowest 30% for the population of all math SAT scores?

A.

380
B.

680
C.

480
D.

580
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Given that, mean (μ) = 527 and

standard deviation = 86

We want to find, the value of x such that, P(X < x) = 0.30

Therefore, the value closest to the highest math SAT score a person could get and still be in the lowest 30% for the population of all math SAT scores is 480.

Answer : C) 480

​​​​​

0 0
Know the answer?
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
Similar Questions
(4) 1. SAT math scores are normally distributed with a mean 525 and a standard deviation...
(4) 1. SAT math scores are normally distributed with a mean 525 and a standard deviation of 102. In order to qualify for a college you are interested in attending your SAT math score must be in the highest 9.34% of all SAT scores. What is the minimum score you need on the SAT to qualify for the college? (4) 2. If you get into this college you are interested in running for the track team. To qualify for the...
According to the CollegeBoard SAT , the 2007 mean SAT math score for students in Tennessee...
According to the CollegeBoard SAT , the 2007 mean SAT math score for students in Tennessee was 550. If Tennessee SAT math scores are normally distributed with a standard deviation of 101, answer the following questions. 1) If a student's SAT math score is in the bottom 20% of scores, what is his/her score? 2) A certain college will only consider appications in which the SAT math score is in the top 12% of scores. What is the minimum score...
For all U.S. students nationally who take the SAT, SAT Math scores are normally distributed with...
For all U.S. students nationally who take the SAT, SAT Math scores are normally distributed with an average score of 500 for all U.S. students and a population standard deviation of 125. A random sample of 100 students entering Whitmer College had an average SAT Math (SAT-M) score of 530. The sample data can be used to test the claim that the mean SAT-M score of all Whitmer College students is different than the national mean SAT-M score. From the...
The scores on the SAT college entrance exam are normally distributed with a mean Math score...
The scores on the SAT college entrance exam are normally distributed with a mean Math score of 480 and a standard deviation of 100. If you select 50 students, what is the probability that their mean Math score is more than 520. You MUST show what went into the calculator along with your final answer rounded correctly to 3 significant decimal places.
Eleanor scores 680 on the math portion of the SAT. The distribution of math SAT scores...
Eleanor scores 680 on the math portion of the SAT. The distribution of math SAT scores is approximately Normal, with mean 500 and standard deviation 100. Jacob takes the ACT math test and scores 27. ACT math test scores are Normally distributed with mean 18 and standard deviation 6. a. Find the standardized scores (z-scores) for both students. b. Assuming that both tests measure the same kind of ability, who has the higher score? c. What score must a student...
For all U.S. students nationally who take the SAT, SAT Math scores are normally distributed with...
For all U.S. students nationally who take the SAT, SAT Math scores are normally distributed with an average score of 500 for all U.S. students . A random sample of 100 students entering Whitmer College had an average SAT Math (SAT-M) score of 475 and a sample standard deviation of 120. The sample data can be used to test the claim that the mean SAT-M score of all Whitmer College students is lower than the national mean SAT-M score. Based...
For all U.S. students nationally who take the SAT, SAT Math scores are normally distributed with...
For all U.S. students nationally who take the SAT, SAT Math scores are normally distributed with an average score of 500 for all U.S. students . A random sample of 100 students entering Whitmer College had an average SAT Math (SAT-M) score of 520 and a sample standard deviation of 120. The sample data can be used to test the claim that the mean SAT-M score of all Whitmer College students is higher than the national mean SAT-M score. Based...
For all U.S. students nationally who take the SAT, the average SAT Math score is 500,...
For all U.S. students nationally who take the SAT, the average SAT Math score is 500, with a population standard deviation of 125. A random sample of 10 students entering Whitmer College had an average SAT Math (SAT-M) score of 530. The sample data can be used to test the claim that the mean SAT-M score of all Whitmer College students is different than the national mean SAT-M score. Based on the given information, have the conditions for this hypothesis...
Suppose that SAT math scores are normally distributed with a mean of 516 and a standard...
Suppose that SAT math scores are normally distributed with a mean of 516 and a standard deviation of 115, while ACT math scores have a normal distribution with a mean of 22 and a standard deviation of 5. James scored 650 on the SAT math and Jacob scored 29 on the ACT math. Who did better in terms of the standardized z-score? Group of answer choices James Jacob They did relatively the same. Impossible to tell because of the scaling
The mean SAT score in mathematics, μ , is 574 . The standard deviation of these...
The mean SAT score in mathematics, μ , is 574 . The standard deviation of these scores is 39 . A special preparation course claims that its graduates will score higher, on average, than the mean score 574 . A random sample of 14 students completed the course, and their mean SAT score in mathematics was 602 . Assume that the population is normally distributed. At the 0.01 level of significance, can we conclude that the preparation course does what...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT