Given a normal distribution with µ = 101 and o = 10, and given you select a sample of n = 25, complete parts (a) through (d)......a. What is the probability that X is less than 95?P(X< 95) = 0.0013(Type an integer or decimal rounded to four decimal places as needed.)b. What is the probability that X is between 95 and 96.5?P(95 < X< 96.5) = U(Type an integer or decimal rounded to four decimal places as needed.)

Answered: Given a normal distribution with µ =…

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

Suppose that the efficacy of a certain drug is 0.43. Consider the sampling distribution (sample size n = 180) for the proportion of patients cured by this drug. What is the mean of this distribution? 0.43 What is the standard error of this distribution? Round your answer to two decimal places. 0.57 X Enter an integer or decimal number [more..]
1. Scores from a questionnaire measuring social anxiety form a normal distribution with a mean of m = 50 and a standard deviation of s = 10. What is the probability of obtaining a sample mean greater than X(sample mean) = 53, for a random sample of n = 4 people? a. .2743 b. .2776 c. .2578 d. .2611
For a normal distribution with a mean of µ=100 and a standard deviation of σ= 10, find each of the following probabilities or X. Please draw the normal curve and show region; body or tail. a. What X value (score) would separate the highest 10% of scores from the rest of the distribution? b. If we were to draw a sample of n = 36 from this population, what's the probability that the mean would be less than 101? c. If we were to draw a sample of n = 36 from this population, what's the probability that the mean will be greater than 105?
Suppose a sample of O-rings was obtained and the wall thickness (in inches) of each was recorded. Use a normal probability plot to assess whether the sample data could have come from a population that is nomally distributed. 0.191 0.184 0.199 0.197 0.209 0.220 0.233 0.248 0.253 0.270 0 288 0.300 0.309 0.302 0.303 0.318 Click here to view the table of critical values. Cick here to view.page 1 of the standard normal distribution table. Click hece to view. paon 2 of the standard.notmal distribution table. Using the correlation coefficient of the normal probability plot, is it reasonable to conclude that the population is normally distributed? Select the corect choice below and fil in the answer boxes within your choice. (Round to three decimal places as needed.) OA. No. The correlation between the expected z-ncores and the observed data, does not exceed the oritical value, Therofore, it is not reasonable to conclude that the data come from a normal population. OB. Yes. The correlation…
8. For a normal distribution with u = 500 and o = 100, find the following values: a. What X value separates the highest 10% of the distribution from the rest of the scores? b. What X values form the boundaries for the middle 60% of the distribution? %3D c. What is the probability of randomly selecting a score greater than X = 475?
D, e, f and h
a and b please
The lengths of adult males' hands are normally distributed with mean 190 mm and standard deviation is 7.1 mm. Suppose that 15 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of x? - N( b. For the group of 15, find the probability that the average hand length is less than 193. c. Find the first quartile for the average adult male hand length for this sample size. Round to 2 decimal places. d. For part b), is the assumption that the distribution is normal necessary? O Yes No
1. If Z is a standard normal variable, find the probability that Z lies between 0.25 and 1.67. Draw diagram for normal distribution, define the desired probability as shaded area, use Table to calculate this probability, and circle one of the multiple choice answers. P(0.25< Z < 1.67) =A) – 0.3538 B) 0.9525 C) 0.3538 D) 1.5512
2. Given the probability (or area), use the standard normal table or calculator to find the following z-score, P(z > a) = 0.0985 %3D a = ?
Suppose a sample of O-rings was obtained and the wall thickness (in inches) of each was recorded. Use a normal probability plot to assess whether the sample data could have come from a population that is normally distributed. 0.163 0.182 0.194 0.211 0.224 0.225 0.233 0.243 0.251 0.259 0.271 0.273 0.295 0.307 0.317 0.340 Click here to view the table of critical values for normal probability plots. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Using the correlation coefficient of the normal probability plot, is it reasonable to conclude that the population is normally distributed? Select the correct choice below and fill in the answer boxes within your choice. (Round to three decimal places as needed.) A. No. The correlation between the expected z-scores and the observed data, normal population. does not exceed the critical value, Therefore, it is not reasonable to conclude that the data come from…
Title A random sample of 36 observations has been drawn from a normal distribution... Description </o:p> A random sample of 36 observations has been drawn from a normal distribution with mean 50 and standard deviation 12. Find the probability that the sample mean is in the interval 47<></53.>

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