Suppose that the distribution of the scores of students in Statistics Assignment 1 is roughlynormally distributed with a mean of 85 and a standard deviation of 5. Suppose you randomlyselect 16 Statistics students, find the probability that the average score of these students is atleast 86.

GivenMean(μ)=85standard deviation(σ)=5sample size(n)=16

Answered: Suppose that the distribution of 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

For the students in a school for gifted children, scores of IQ test are normally distributed with a mean of 114 and a standard deviation of 18. If 36 students are randomly selected from this school, find the probability that their mean IQ score is between 116 and 118. Round to three decimal places.
A local firm reported that an American family of four washes an average of 2000 pounds of clothes per year. If the standard deviation of the distribution is 187.5 pounds, find the probability that the mean of a randomly selected sample of 50 families of four will be more than 1990 pounds. Be sure to state any assumptions being made and use a graph to show how it relates to answering this question.
On a Physicians Licensure Exam with a population mean of 83 and standard deviation of 8. Jenny scores 4 points below the mean, Jeffrey had a score of x-84 and Jolly had a z-score of 0.30. Place these three students in order from the lowest to highest.
Assume that an intelligence test scores are distributed normallt with a mean of 100 and a standard deviation of 15. If you scored 124 on this intelligence test, what is your z-score on this distribution.
Assume that the test scores for a large class are normally distributed with a mean of 64 and a standard deviation of 7. Suppose that you receive a score of 78. What percentageof the class received a higher score than yours?
a study of 850 homeowners in a certain area showed that the average value of the homes was $83,000, qnd the standard deviation was $5100. if 45 homes are for sale, Find the probability that the mean of the value of these homes is greater tha $83,600. (round to four decimals)
The mean score of a statistics exam of class A is 75 with a standard deviation of 13 while class B has a mean score of 86 with a standard deviation of 16. Which class performed better? Why?
I will like!
Scores on the SAT test have a mean of 1518 and a standard deviation of 325. If 100 students are randomly chosen and the mean of their SAT scores is calculated, find the probability that the sample mean is less than 1460.
Suppose the scores on a college entrance examination are normally distributed with a mean of 525 and a standard deviation of 110. A certain prestigious university will consider admission only for those applicants whose scores exceed the 95th percentile of the distribution. Find the minimum score an applicant must achieve in order to receive consideration for admission to the university. Round your answer up to the nearest integer.
the mean IQ of tweleve year old boys in a school district is 118; the standard deviation is 18. if a sample of 36 boys taken find the probability that the mean of the sample is greather than 120 the sample mean is within 3 points of the true mean.
The national average SAT schore was found to be a 2140 with a standard deviation of 892. If the test is normally distributed, find each The integer 87th percentile score What is the probability that a students will score between a 2100 and a 2740

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

Suppose that the distribution of the scores of students in Statistics Assignment 1 is roughly normally distributed with a mean of 85 and a standard deviation of 5. Suppose you randomly select 16 Statistics students, find the probability that the average score of these students is at least 86.