The table below shows political party affiliations of people in three age groups. Democrat Republican Independent Under 21 years of age 40 25 20 Between 21 and 40 35 20 30 Over 40 years of age 20 30 35 If one of the subjects is randomly selected, find the probability that the person is 21 or older.
The table below shows political party affiliations of people in three age groups. Democrat Republican Independent Under 21 years of age 40 25 20 Between 21 and 40 35 20 30 Over 40 years of age 20 30 35 If one of the subjects is randomly selected, find the probability that the person is 21 or older.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
The table below shows political party affiliations of people in three age groups.
| Democrat | Republican | Independent | |
| Under 21 years of age | 40 | 25 | 20 |
| Between 21 and 40 | 35 | 20 | 30 |
| Over 40 years of age | 20 | 30 | 35 |
If one of the subjects is randomly selected, find the
Expert Solution
Step 1
Given information-
We have given the table below shows political party affiliations of people in three age groups.
| Democrat | Republican | Independent | Total | |
| < 21 years | 40 | 25 | 20 | 85 |
| 21 to 40 years | 35 | 20 | 30 | 85 |
| > 40 years | 20 | 30 | 35 | 85 |
| Total | 95 | 75 | 85 | 255 |
We have to find the probability that the person is 21 or older.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
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