A random sample of n₁ = 269 people who live in a city were selected and 88 identified as a "dog person." Arandom sample of n2 = 90 people who live in a rural area were selected and 70 identified as a "dogperson." Find the 99% confidence interval for the difference in the proportion of people that live in a citywho identify as a "dog person" and the proportion of people that live in a rural area who identify as a "dogperson."Round answers to to 4 decimal places.< P1 P2 <

For the city sample:The sample size The number of "dog persons" in the city For the rural sample:The…

Answered: A random sample of n₁ = 269 people who…

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 random sample of n₁ = 213 people who live in a city were selected and 91 identified as a "dog person." A random sample of n₂ = 120 people who live in a rural area were selected and 67 identified as a "dog person." Find the 90% confidence interval for the difference in the proportion of people that live in a city who identify as a "dog person" and the proportion of people that live in a rural area who identify as a "dog person." Round answers to to 4 decimal places. < P1 P2 <
A random sample of n1 = 258 people who live in a city were selected and 74 identified as a "dog person." A random sample of n2 = 102 people who live in a rural area were selected and 63 identified as a "dog person." Find the 98% confidence interval for the difference in the proportion of people that live in a city who identify as a "dog person" and the proportion of people that live in a rural area who identify as a "dog person." Round answers to to 4 decimal places. < p1-p2 <
A statistics class took a random sample of students at the school to find the proportion of those who claimed to be vegetarians. Another statistics class in another school took a similar random sample of the students at its school. The results from the first school were 12 out of 75 claimed to be vegetarians while 9 out of 45 students from the second school were vegetarians. What is the 90% confidence interval for the difference between the population proportions of the two schools that claim to be vegetarians? a) (-0.049, -0.031) b) (-0.05, -0.03) c) (-0.1, 0.2) d) (-0.16, 0.08) e) (-0.18, 0.1) Thank you :)
A random sample of n1 random sample of n2 Find the 98% confidence interval for the difference in the proportion of people that live in a city who identify as a "dog person" and the proportion of people that live in a rural area who identify as a "dog person." 229 people who live in a city were selected and 92 identified as a "dog person." A 110 people who live in a rural area were selected and 69 identified as a "dog person." Round answers to to 4 decimal places. < pi – P2 <
A surprising number of young adults (ages 19 to 25) still live in their parents' homes. A random sample by the National Institutes of Health included 2253 men and 2629 women in this age group. The survey found that 986 of the men and 923 of the women lived with their parents. Construct and interpret a 99% confidence interval for the difference in the true proportions of men and women aged 19 to 25 who live in their parents' homes. What conditions are met? (select all that apply) (Remember you check BOTH populations.) O 923 > 30 O 10(923) 30 O 2253 > 30 O a random sample V 2629 > 30 O 986 > 10 O 10(2629) 10 O 1706 > 10 O 923 > 10 O 10(986) < all men aged 19 to 25 O 10(2253) < all men aged 19 to 25 O O
The figure to the right shows the results of a survey in which 997 adults from Country A, 1022 adults from Country B, 1013 adults from Country C, 1011 adults from Country D, and 1008 adults from Country E were asked whether national identity is strongly tied to birthplace. Construct a 95%confidence interval for the population proportion of adults who say national identity is strongly tied to birthplace for each country listed. The 95% confidence interval for the proportion of adults from Country A who say national identity is strongly tied to birthplace is ,. (Round to three decimal places as needed.) Country A 37% Country B 18% Country C 27% Country D 46% Country E 11 %
A student found that in a random sample of 300 people in a town, 105 play sports. Based on this sample, construct a 90% confidence interval for the population proportion of all people in the town who play sports.Give your answers as decimals, rounded to three decimal places.
The manager at Bell’s Gym wants to know the proportion of members who use the Cardio Machines. A sample of 260 members showed that 40 of them use cardio machines. Calculate a 97% confidence interval for the proportion of members who use the cardio machines.
A research poll of 1501 adults showed that 1051 of respondents believe in global warming. Find a 98% confidence interval estimate for the proportion of adults that believe in global warming. Based on these results, can we safely conclude that the majority of adults believe in global warming and why?
An actuary is interested in estimating the proportion of young adults who plan to have children someday she takes an SRS of 60 young adults and finds that 48 of them plan to have children construct A 99% confidence interval for the proportion of young adults who plan to have children someday.
A survey was conducted of visitors to the Jakarta Fair. For this reason, two groups of samples were taken. The first sample was 500 visitors for women and when they were asked 325 people said they were satisfied with the exhibition at the Jakarta Fair, while the second sample consisted of 700 visitors for gentlemen and 300 of them said they were not satisfied with the exhibition at the Jakarta Fair. the Jakarta Fair. Make a 95% confidence interval to estimate how much the difference between the two populations of visitors who are satisfied with the exhibition at the Jakarta Fair?
A simple random sample of 1000 people age 18 or over is taken in a large town. It turns out that 189 people in the sample are newspaper readers. Calculate a 95%-confidence interval for the percentage of people (age 18 and over) in that town who read newspapers.

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