Scot's score of 554 on the writing portion of the 2014 SAT exam placed him in...
Scot's score of 554 on the writing portion of the 2014 SAT exam placed him in the 72nd percentile. If the mean on this exam was 488, what was the standard deviation?
Homework Answers
Let us denote the score by X which follow Normal Distribution.
Here, it is given that Scot's score is 554 & placed him in 72th Percentile.
So, we can say that P(X<554)= 0.72
Mean= 488 (given). We have to find the standard deviation.
Add Answer to:
Scot's score of 554 on the writing portion of the 2014 SAT exam placed him in...
Writing on the SAT Exam It has been found that scores on the Writing portion of...
Writing on the SAT Exam It has been found that scores on the Writing portion of the SAT (Scholastic Aptitude Test) exam are normally distributed with mean 484 and standard deviation 115. (a) What is the estimated percentile for a student who scores 435 on Writing? Round your answer to the nearest integer. The estimated percentile for 435 is ____
4) In the 2014–2015 academic year, 1,108,165 high school seniors took the SAT. That year the...
4) In the 2014–2015 academic year, 1,108,165 high school seniors took the SAT. That year the mean of the scores from the math portion was 501 with a standard deviation of 117. What percentage scored between 600 and 700 points? Round to the second decimal place (0.12). 5) In the 2014–2015 academic year, 1,108,165 high school seniors took the SAT. That year the mean of the scores from the math portion was 501 with a standard deviation of 117. If...
The national average for the math portion of the College Board's SAT is 521 with a...
The national average for the math portion of the College Board's SAT is 521 with a standard deviation of 78. The median is 488. (See exercise 41 on page 141 of your textbook for a similar problem.) Question 1 What is the shape of the SAT math score distribution? Why? (Skewed right must select>,skewed left must select , etc.) Skewed Right because 521 488 Question 2 rule predicts that percent of the SAT math score data should lie between a...
The national average for the math portion of the College Board's SAT is 521 with a...
The national average for the math portion of the College Board's SAT is 521 with a standard deviation of 84. The median is 488 (See exercise 41 on page 141 of your textbook for a similar problem.) What is the shape of the SAT math score distribution? Why? (Skewed right must select>, skewed left must select <, etc.) Question 1 Skewed Right because Median Mean ule predicts that percent of the SAT math score data should lie Question 2 between...
6. In 2005, the distribution of the score in the math portion of the SAT test...
6. In 2005, the distribution of the score in the math portion of the SAT test was approximately normal with a mean y = 520 and a standard deviation o = 115. (a) What percentage of students scored more than 720 in the math portion of the SAT test in 2005? (b) Suppose that sample of 64 students that took the SAT in 2005 is randomly selected. What is the probability that the average score x in the math portion...
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?
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....
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...
The average SAT score for the Mathematics portion of the test is 511. In a recent...
The average SAT score for the Mathematics portion of the test is 511. In a recent study of 19 individuals that took the test, the average score on the Mathematics portion was 519.3, with a sample standard deviation of 82.4. If the level of significance is 0.01, test the claim that the average SAT score for the Mathematics portion is greater than 511. Show your work to receive credit.
Problem4: e scores earned on the mathematics portion of the SAT, a college entrance exam, are...
Problem4: e scores earned on the mathematics portion of the SAT, a college entrance exam, are approximately normally distributed with mean 516 and standard deviation 1 16. What scores separate the middle 90% of test takers from the bottom and top 5%? In other words, find the 5th and 95th percentiles. Th
The national average for the math portion of the College Board's SAT is 521 with a standard deviation of 78. The median is 488. (See exercise 41 on page 141 of your textbook for a similar problem.) Question 1 What is the shape of the SAT math score distribution? Why? (Skewed right must select>,skewed left must select , etc.) Skewed Right because 521 488 Question 2 rule predicts that percent of the SAT math score data should lie between a...
The national average for the math portion of the College Board's SAT is 521 with a standard deviation of 84. The median is 488 (See exercise 41 on page 141 of your textbook for a similar problem.) What is the shape of the SAT math score distribution? Why? (Skewed right must select>, skewed left must select <, etc.) Question 1 Skewed Right because Median Mean ule predicts that percent of the SAT math score data should lie Question 2 between...
6. In 2005, the distribution of the score in the math portion of the SAT test was approximately normal with a mean y = 520 and a standard deviation o = 115. (a) What percentage of students scored more than 720 in the math portion of the SAT test in 2005? (b) Suppose that sample of 64 students that took the SAT in 2005 is randomly selected. What is the probability that the average score x in the math portion...
Problem4: e scores earned on the mathematics portion of the SAT, a college entrance exam, are approximately normally distributed with mean 516 and standard deviation 1 16. What scores separate the middle 90% of test takers from the bottom and top 5%? In other words, find the 5th and 95th percentiles. Th
Most questions answered within 3 hours.
-
Consider the reaction, C3 H8 + O2 --> CO2 + H2O. How many
moles of O2...
asked 22 minutes ago -
You and your opponent both roll a fair die. If you both roll the
same number,...
asked 39 minutes ago -
In a study of the accuracy of fast food drive-through orders,
Restaurant A had 257 accurate...
asked 39 minutes ago -
Identify and describe in detail the four categories of
institutions that could be included in a...
asked 45 minutes ago -
In python
class Customer:
def __init__(self, customer_id, last_name, first_name, phone_number, address):
self._customer_id = int(customer_id)
self._last_name =...
asked 53 minutes ago -
What is an example of a limitation in implementing a new
ERP system and how it...
asked 48 minutes ago -
In a section of 9.7cm of an artery with a radius of 2.6mm there
is a...
asked 49 minutes ago -
the two carboxylic acid groups of aspartic acid have different
acidities with pKa values of 2.1...
asked 53 minutes ago -
Would CuCO3 aqueous salt combined with calcium chloride
form a solid precipitate? If so, what would...
asked 51 minutes ago -
How do ECM Solutions assist in embedding a culture of continuous
improvement in an organization? (Project...
asked 1 hour ago -
Directions
These directions introduce the idea of Essential Questions.
Since this may be a new concept...
asked 1 hour ago -
1.b. Fiscal policy is said to suffer from ‘crowding out’.
Explain what this means and why...
asked 1 hour ago