Suppose that the combined verbal and math SAT scores follow a normal distribution. Peter's counselor tells...
Suppose that the combined verbal and math SAT scores follow a normal distribution. Peter's counselor tells him that his z-score for the SAT was 0.2. How did he do relative to his peers? Make sure you explain your reasoning!!
Homework Answers
Peter's z-score for the combined Verbal and Math scores is 0.2.
Now, using Standard Normal probability tables,
This means that Peter performed better than 57.926% of the people who gave the test.
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Suppose that the combined verbal and math SAT scores
follow a normal distribution. Peter's counselor tells...
The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution....
The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution. Students get a mean score of 517 with a standard deviation of 111. Use technology to answer these questions. a. What is the proportion of students scoring under 400 (4 decimal positions)? b. What is the proportion of students scoring between 400 and 5507 (4 decimal positions) c. What is the proportion of students scoring over 5507 (4 decimal positions) d. How high must...
The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution....
The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution. Students get a mean score of 533 with a standard deviation of 109. Use technology to answer these questions. a. What is the proportion of students scoring under 400 (4 decimal positions)? b. What is the proportion of students scoring between 400 and 550? (4 decimal positions) c. What is the proportion of students scoring over 550? (4 decimal positions) d. How high must...
The combined math and verbal scores for females taking the SAT-I test are normally distributed with...
The combined math and verbal scores for females taking the SAT-I test are normally distributed with a mean of 900 and a standard deviation of 200. If a college includes a minimum score of 850 among its requirements, what percentage of females do not satisfy that requirement?
The combined math and verbal scores for females taking the SAT-I test are normally distributed with...
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 (based on date from the College Board). If a college includes a minimum score of 850 among its requirements, what percentage of females do not satisfy that requirement?
The scores on the SAT verbal test in recent years follow approximately the N(539, 111) distribution....
The scores on the SAT verbal test in recent years follow approximately the N(539, 111) distribution. Use technology to answer these questions. a) If a student placed in the bottom 10% of all students taking the SAT, what was his score below? State answer as a whole number. _______________ b)How high must a student score to place in the top 10% of all students taking the SAT? State answer as a whole number. ___________________
the national average SAT score (for Verbal and Math) is 1028. Suppose that nothing is known...
the national average SAT score (for Verbal and Math) is 1028. Suppose that nothing is known about the shape of the distribution and that the standard deviation is 100. If a random sample of 200 scores were selected and the sample mean were calculated to be 1050, would you be surprised? Explain.
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?
QUESTION 3 Math SAT Question 3 The scores of men on the math SAT follow a...
QUESTION 3 Math SAT Question 3 The scores of men on the math SAT follow a Normal distribution so do those of women. It is reasonable to assume that the standard deviations of the two sets of scores are equal. Let us (respectively, u2) denote the average math SAT score of men (respectively, women). A random sample of 20 men was selected. The average math SAT score of the men selected was 607.8 with a standard deviation of 48.76. Another...
Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores...
Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with mean 563 and standard deviation 111. Gerald takes the ACT Assessment mathematics test and scores 27. ACT math scores are Normally distributed with mean 22.7 and standard deviation 2.1. a. What is Elanor's standardized score? Round to 2 decimal places. b. What is Gerald's standardized score? Round to 2 decimal places. c. Assuming that both tests measure...
data inefficiency?? 9) The national average SAT score (for Verbal and Math) is 1028. The distribution...
data inefficiency??
9) The national average SAT score (for Verbal and Math) is 1028. The distribution of the SAT score is a normal with. If the top 1% of the students will receive a $400 scholarship, what is the minimum score a student would need to score to receive the reward? 10) The average charitable contribution itemized per income tax return in Pennsylvania is $792. Suppose that the distribution of contributions is normal with a standard deviation of $103. Find...
The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution. Students get a mean score of 517 with a standard deviation of 111. Use technology to answer these questions. a. What is the proportion of students scoring under 400 (4 decimal positions)? b. What is the proportion of students scoring between 400 and 5507 (4 decimal positions) c. What is the proportion of students scoring over 5507 (4 decimal positions) d. How high must...
The scores on the SAT verbal test in recent years follow approximately the normal distribution distribution. Students get a mean score of 533 with a standard deviation of 109. Use technology to answer these questions. a. What is the proportion of students scoring under 400 (4 decimal positions)? b. What is the proportion of students scoring between 400 and 550? (4 decimal positions) c. What is the proportion of students scoring over 550? (4 decimal positions) d. How high must...
QUESTION 3 Math SAT Question 3 The scores of men on the math SAT follow a Normal distribution so do those of women. It is reasonable to assume that the standard deviations of the two sets of scores are equal. Let us (respectively, u2) denote the average math SAT score of men (respectively, women). A random sample of 20 men was selected. The average math SAT score of the men selected was 607.8 with a standard deviation of 48.76. Another...
Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with mean 563 and standard deviation 111. Gerald takes the ACT Assessment mathematics test and scores 27. ACT math scores are Normally distributed with mean 22.7 and standard deviation 2.1. a. What is Elanor's standardized score? Round to 2 decimal places. b. What is Gerald's standardized score? Round to 2 decimal places. c. Assuming that both tests measure...
data inefficiency??
9) The national average SAT score (for Verbal and Math) is 1028. The distribution of the SAT score is a normal with. If the top 1% of the students will receive a $400 scholarship, what is the minimum score a student would need to score to receive the reward? 10) The average charitable contribution itemized per income tax return in Pennsylvania is $792. Suppose that the distribution of contributions is normal with a standard deviation of $103. Find...
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