According to a study, 85% of K-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. Of these 85%, 4 out of 10use digital content as part of their curriculum. Find the probability that a randomly selected school or district uses digital content and uses it as part of theircurriculum.The probability that a randomly selected school or district uses digital content and uses it as part of their curriculum is.(Round three decimal places as needed.)

Answered: 12 schools or districts in a country…

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

Assume that when adults with smartphones are randomly selected, 58 % use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 7 of them use their smartphones in meetings or classes.
A manufacturing machine has a 8% defect rate. If 6 items are chosen at random, what is the probability that at least one will have a defect?
According to the historical data, the life expectancy in Argentina is equal to the life expectancy in Bolivia. A new study has been made to see whether this has changed. Records of 225 According to the historical data, the life expectancy in Argentina is equal to the life expectancy in Bolivia. A new study has been made to see whether this has changed. Records of 225 individuals from argentina who died recently are selected at random. The 225 individuals lived an average of 77.4 years with a standard deviation of 6.7 years. Records of 300 individuals from Ireland who died recently are selected at random and independently. The 300 individuals lived a mean of 76.5 years with a standard deviation of 5.3 years. Assume that the population standard deviations of lifetimes in these two countries can be estimated by the sample standard deviations, as the samples used were quite large. Construct a 90% confidence interval for , the difference between the life expectancy in the United States and…
According to a study, 74% of K-12 schools or districts in a country use digital content such as ebooks, audio books, and digital textbooks. Of these 74%, 5 out of 10 use digital content as part of their curriculum. Find the probability that a randomly selected school or district uses digital content and uses it as part of their curriculum. The probability that a randomly selected school or district uses digital content and uses it as part of their curriculum is (Round to three decimal places as needed.) Re Lec Les orrect: rary
Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes. If 6 adult smartphone users are randomly selected, find the probability that at least 2 of them use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 52%use them in meetings or classes. If 5 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes.
A School has found there is a 3% probability that the question paper contains an error. Assume question paper are mutually independent. A teacher randomly selects 100 question paper, what is the probability that 95% or less of the selected question paper has no error?
A high school basketball player has a 62% chance of making a free throw show and an 86% chance of making a lay-up. Draw a tree diagram and determine the probability of not making either shot.
Eight of the 50 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability that a randomly selected item is defective?
In a recent poll of voters, 20% were displeased with both candidates. If 3 people were picked at random. find the probability that at least one liked one of the candidates.
A manufacturing machine has a 2% defect rate.If 8 items are chosen at random, what is the probability that at least one will have a defect?
Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes. If 6 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes.

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