SAT scores for the year 2017 in the United States had an average of 1060 and astandard deviation of 195. Let's pretend they were normally distributed. Whatpercent of scores were between 1000 and 1200?68%38.44%99.7%37.92%76.36%95%

Mean()=1060standard deviation()=195

Answered: SAT scores for the year 2017 in the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Find the standard deviation of the following set of scores. 10, 2, 38, 23, 38, 23, 21, 23 NOTE: Round your answer to the nearest tenth. Do NOT use words in your answer. If you need help, visit the following page.
A statistics professor gives a survey to each of the 100 students in an introductory statistics lecture. The survey asks the students how many text messages they think they sent yesterday. The data are included below. Use Excel to calculate the population standard deviation and the population variance. Round your answers to one decimal place. Do not round until you've calculated your final answer "Texts sent yesterday"61201664102313264109191657619321816148466162436641223687915924262531264199635316223464092146629424151993943696172733060372610590334274120216305567487494586257197618128101729108326212810453194623967379 Standard Deviation = Variance =
Randy took a standardized test that is normally distributed. He scored a 105 on the test. The nationwide mean score on the test was 94 and the standard deviation was 6.2. What percent of the tested population scored higher than Randy on the test? Round to the nearest whole percent. O 2% 4% 96% O 94% 11%
The IRS claims it takes an average of 3.8 hours to complete a 1040 tax form. Assume the time to complete the form is normally distributed with a standard deviation of 45 minutes or 0.75 hours. Use the Cumulative Z-Score Table to answer the following questions. Write your answer as a percent using 2 decimal places. What percent of people would you expect to complete the form in less than 2.9 hours? % What percent of people would you expect to complete the form in more than 2.9 hours? What percent of people would you expect to complete the form in less than 4.775 hours? What percent of people would you expect to complete the form in more than 4.775 hours? % What percent of people would you expect to complete the form between 2.9 and 4.775 hours?
Scores on the Wechsler Adult Intelligence Scale for the 20 to 34 age group are approximately normally distributed with mean 110 and standard deviation 15. How high must a person score to be in the top 6% of all scores? Enter your answer as a whole number.
Solve the problem. Before a new phone system was installed, the amount a company spent on personal calls followed a normal distribution with an average of $400 per month and a standard deviation of $50 per month. Refer to such expenses as PCE's (personal call expenses). Find the point in the distribution above 4.5%. Round your answer to nearest hundredth.
Use these Reading scores to anwser the following questions 7, 7, 8,10,14 ,11,13, 9, 8,12,15,15 A. Find the mean of the reading scores B. Write the value of the standard deviation in decimal form
Student loan debt is the only form of consumer debt that has grown since the peak of consumer debt in 2008. The average student loan of somebody younger than 30 is
Solve the problem.Before a new phone system was installed, the amount a company spent on personal calls followed a normal distribution with an average of $400 per month and a standard deviation of $50 per month. Refer to such expenses as PCE's (personal call expenses). Find the point in the distribution above 4.5%. Round your answer to nearest hundredth
The sample mean amount of savings is $
We have provided simple data sets for you to practice the basics of finding a a. population mean. b. population standard deviation. 3, 5, 7
QUEST A set of final examination grades in a calculus course was found to be normally distributed with a mean of 69 and a standard deviation of 9. The top 15% of the students taking the test scored will receive a grade of B. What is the cur score?

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

SAT scores for the year 2017 in the United States had an average of 1060 and a standard deviation of 195. Let's pretend they were normally distributed. What percent of scores were between 1000 and 1200? 68% 38.44% 99.7% 37.92% 76.36% 95%