A researcher believes that reading habit of newspaper is decreasing every year. In order to see the true popula proportion of people who are reading newspaper s/he collect a randomly selected people on the yearly basis. T following table gives the number of people who do not read newspaper with respect to the years. Construct a 9 confidence interval for the true population proportion difference of people who are reading newspaper in 2005 2010. (P2005 - P2015)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
USE 3 DECIMALS
A researcher believes that reading habit of newspaper is decreasing every year. In order to see the true population
proportion of people who are reading newspaper s/he collect a randomly selected people on the yearly basis. The
following table gives the number of people who do not read newspaper with respect to the years. Construct a 90 %
confidence interval for the true population proportion difference of people who are reading newspaper in 2005 and
2010. (P2005 - P2015)
2010 2005
In
1200 1000
Number of people who do not read newspaper 300 400
KOnceki
Transcribed Image Text:USE 3 DECIMALS A researcher believes that reading habit of newspaper is decreasing every year. In order to see the true population proportion of people who are reading newspaper s/he collect a randomly selected people on the yearly basis. The following table gives the number of people who do not read newspaper with respect to the years. Construct a 90 % confidence interval for the true population proportion difference of people who are reading newspaper in 2005 and 2010. (P2005 - P2015) 2010 2005 In 1200 1000 Number of people who do not read newspaper 300 400 KOnceki
Expert Solution
Step 1

From the given information,

n1=1000

n2=1200

x1=400

x2=300

Consider,

p^1=x1n1=4001000=0.4p^2=x2n2=3001200=0.25p^=x1+x2n1+n2=400+3001000+1200=0.3182

 

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman