QUESTION 7The table shows the results of a survey that asked 800 adults whether they use social media (Facebook, Twitter, and so on) regularly. The following table is based on the results of the survey.Age (years)Using socialmedia18-34 (A) 35-44 (B) 45+ (C)Yes (Y)2341509612690104No (N)Total360240200Total480320For the toolbar press ALT+F10 (PC) or ALT+FN+F10 (Mac)8004a. What is the probability that a randomly selected adult is not using social media? Round your answer to four decimal places.b. What is the probability that a randomly selected adult is 45+ years of age or does not use social media? Round your answer to four decimal places.c. What is the probability that a randomly selected adult does not use social media, given he/she is 45+ years of age? Round your answer to four decimal places.d. Are the events "The adult is 45+ years of age" and "The adult does not use social media" independent? Justify your answer using relevant probabilities.

Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case…

Answered: The table shows the results of a survey…

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

according to study, 75% of K-12 schools or districts in a county use digital contents such as ebooks, audio books, and digital textbooks. of these 75%, 12 out 20 use digital contents as part of their curriculum. find probability that a randomly selected school or disrtict used digital content and used it as part of their curriculum.
What is the probability of drawing two red cards from a standard deck of 52 playing cards?
The table shows the breakdown of 96 thousand single parents on active duty in a country's military in a certain year. All numbers are in thousands and rounded to the nearest thousand. Use the data in the table to find the probability that a randomly selected single parent in the military is in the Air Force or the Marine Corps. Army Navy 24 8 32 Male 23 Female 10 Total 33 The probability that a randomly selected single parent in the military is in the Air Force or the Marine Corps is (Type an integer or decimal rounded to the nearest thousandth as needed.) Marine Air Corps Force 6 16 2 8 7 23 Total 69 27 96
A survey of athletes at a high school is conducted, and the following facts are discovered: 28% of the athletes are football players, 69% are basketball players, and 14% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that the athlete is either a football player or a basketball player?Probability = % (Please enter your answer as a percent)
Privacy is a concern for many users of the Internet. One survey showed that 59% of Internet users are somewhat concerned about the confidentiality of their email Based on this inbformation, what is the probability that for a random sample of 10 Internet users, 5 are concerned about the privacy of their email?
Eleven of the 50 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability you randomly select an item that is not defective ?
A survey of U.S. adults ages 18-29 found that 92% use the internet. You randomly select 100 adults ages 18-29 and ask them if they use the internet. The probability that at least 86 people say they use the internet is [ ].
80% of U.S. drivers over the age of 30 have had a speeding ticket and 55% of those have also been in an accident while behind the wheel. What is the probability that a randomly selected US driver over the age of 30 has had a speeding ticket and also been in an accident while behind the wheel?
What is the probability that a randomly selected participant tasted apples and preferred non-organic?
A survey of athletes at a high school is conducted, and the following facts are discovered: 39% of the athletes are football players, 36% are basketball players, and 24% of the athletes play both football and basketball. An athlete is chosen at random from the high school: what is the probability that the athlete is either a football player or a basketball player?Probability = % (Please enter your answer as a percent)
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?
Nineteen of the 200 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability you randomly select a DVR that is not defective?

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