Suppose that the mean andstandard deviation of plantsheight are 130 and 42,respectively, if a randomsample of size 64 is slectedfrom these plants, then theprobability that theiraverage height is more than125 is closest to:

Answered: Image /qna-images/answer/3a59c760-8e31-4226-b113-0cabf7c39f2e.jpg

Answered: Suppose that the mean and standard…

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

A manufacturer knows that their items have a normally distributed length, with a mean of 11.6 inches, and standard deviation of 2.1 inches.If 12 items are chosen at random, what is the probability that their mean length is less than 11.4 inches?
A new species of dragonfly has an approximate body length of 45 mm with a standard deviation of 3 mm. In a sample of 40 dragonflies, what is the probability that the sample mean of the body length of the sample is between 44.5 and 45.5?
6) Assume that the heights of men are normally distributed with a mean of 68.0 inches and a standard deviation of 3.5 inches. If 100 men are randomly selected, find the probability that they have a mean height greater than 69 inches.
3. The thickness of a road is nommally distribuned with standard deviation 5.8 cm. A random sample of 15 roads were taken If the probability that the sample mean road thickness is at least 10.2 cm is K2, whut is the average thickness of all the roads
Suppose the length of a baseball game is 175.9 min with a standard deviation of 27.0 min. For a random sample of 30 games, what is the probability the mean game length is at most 170 minutes?
Suppose that an airline uses a seat width of 16.7 in. Assume that men have hip breadths that are normally distributed with a mean of 14.2 inches, and a standard deviation of 1in. Find the probability that if an individual man is randomly selected that his hip breadths will be greater than 16.7 in.
Suppose samples of size 100 are drawn randomly from a population that has a mean of 20 and a standard deviation of 5. What is the probability of observing a sample mean equal to or greater than 20.5? 0.8384 0.4192 0.1634 0.9192 0.1587
Suppose that the mean and standard deviation of plants height are 130 and 32, respectively, if a random sample of size 49 is slected from these plants, then the probability that their average height is more than 125 is closest to: O a. 0.20 O b.0.86 Oc. 0.26 O d. 0.14 O e. 0.74 Next page
A manufacturer knows that their items have a normally distributed length, with a mean of 16.1 inches, and standard deviation of 5.2 inches.If 22 items are chosen at random, what is the probability that their mean length is less than 13.4 inches?
A manufacturer knows that their items have a normally distributed length, with a mean of 6.7 inches, and standard deviation of 2.1 inches.If 21 items are chosen at random, what is the probability that their mean length is less than 6.9 inches?
Suppose that an airline uses a seat width of 16.3 in. Assume men have hip breadths that are normally distributed with a mean of 14.5 in. and a standard deviation of 11 in. Find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.3 in.

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 mean and standard deviation of plants height are 130 and 42, respectively, if a random sample of size 64 is slected from these plants, then the probability that their average height is more than 125 is closest to: