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

Question

Question

#18

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

What value below is closest to the minimum score a person would need on the math SAT to be in the top 15% of all math SAT scores?

Answer 1

Answer #1

M=527 t = 86 top 15% score = -1.0365+ M = (1.036x86) +527 z 439.6 ^ [940 Answelt A, 440

Answer 2

Similar Homework Help Questions

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. #4. Which of the following math SAT scores are between 1 and 2 standard deviations below the mean. A. 350 B. 500 C. 450 D. 400
The mean and standard deviation of SAT math exam scores were 527 and 120, respectively, in...

The mean and standard deviation of SAT math exam scores were 527 and 120, respectively, in 2017. Assume that the scores are normally distributed and answer the following questions. a. Find the 30th percentile. b. If your score is 700, what percentage of the students got higher scores than you in 2017? c. What percentage of students got SAT math scores from 400 to 600? d. If your score is 650, what is the percentile of your score?
A Statistics professor wants to estimate the mean Math SAT score of incoming freshmen. It is...

A Statistics professor wants to estimate the mean Math SAT score of incoming freshmen. It is known that Math SAT scores are normally distributed. In a random sample of 20 incoming freshmen, the mean Math SAT score was 527 with a standard deviation of 88. Construct a 90% confidence interval for the population mean. Use the appropriate formulas and show your work! 6.__________________________[8]

Assume math scores on the SAT are normally distributed with a mean of 500 and a standard deviation of 100.

Assume math scores on the SAT are normally distributed with a mean of 500 and a standard deviation of 100. a. What is the probability that one randomly selected individual taking the sat will have a Math score of more than 530? b. What is the probability that one randomly selected individual taking the SAT will have a Math score between 450 and 600?c. Find the 60th percentile of these scores.
QUESTION 39 Suppose the mean SAT score for a certain year was 1060 with a standard...

QUESTION 39 Suppose the mean SAT score for a certain year was 1060 with a standard deviation of 194. Joe scored a 920 on the SAT. What is his z-score? Be sure to round correctly to the nearest hundredth. A. -0.72 B. 0.70 C. 0.72 D. -0.70 QUESTION 40 Suppose the mean SAT score for a certain year was 1060 with a standard deviation of 194. Emily scored a 1300 on the SAT. Which percentile listed below does Emily fall...
Suppose that the sat math score (in a certain region) follows a normal distribution with mean...

Suppose that the sat math score (in a certain region) follows a normal distribution with mean 560 and standard deviation 90. You are going to take the test. Find your lowest score if you want to be among the top 10%

The average math SAT score for students applying to Suffolk University last year was 510, with...

The average math SAT score for students applying to Suffolk University last year was 510, with a standard deviation of 89. You do NOT need to check CLT here. A. What score does an applicant need in order to be in the top 10% of math SAT scores? B. What score does an applicant need in order to be at the 96th percentile of math SAT scores? C. Between what score does an applicant need in order to be at...
Scores on the math SAT are normally distributed. A sample of 20 SAT scores had standard...

Scores on the math SAT are normally distributed. A sample of 20 SAT scores had standard deviation s = 86. Construct a 98% confidence interval for the population standard deviation σ. Round the answers to two decimal places. The 98% confidence interval is
Question 1 The average math SAT score is 511with a standard deviation of 119. A particular...

Question 1 The average math SAT score is 511with a standard deviation of 119. A particular high school claims that its students have unusually high math SAT scores. A random sample of 50 students from this school was selected, and the mean math SAT score was 555. Is the high school justified in its claim? Explain. ▼ Pick one No Yes because the z-score (what is the z score) (?) is ▼ pick one not unusual unusual since it ▼...

Please show all steps labeled: The combined math and verbal scores for females taking the SAT-I...

Please show all steps labeled: The combined math and verbal scores for females taking the SAT-I test are normally distributed with a mean of 998 and a standard deviation of 202. The College of Westport includes a minimum score of 1100 as one of its requirements for admission. a) What percentage of females do not satisfy the requirement? b) If the requirement is changed to a score that is in the top 40%, what is the minimum required score?