MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
expand_more
expand_more
format_list_bulleted
Topic Video
Question
Find the margin of error an the 95% confidence interval
-26. A recent survey of 65,000 households by the us department of labor reported an unemployment rate of 7.7%
28. a 2013 Washington post poll of 1001 adults found that 58% of those surveyed believe it should be legal for gay an lesbian couple to get married
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 2 steps with 3 images
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question
Based on a recent survey of adults in
60,000
households, a labor department reported an unemployment rate of
4.8%.
The margin of error was
0.1
percentage point.
Solution
by Bartleby Expert
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question
Based on a recent survey of adults in
60,000
households, a labor department reported an unemployment rate of
4.8%.
The margin of error was
0.1
percentage point.
Solution
by Bartleby Expert
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- The 95% confidence interval for the mean contains the sample mean with 95% certainty.TrueFalsearrow_forwardhelp 1arrow_forwardNeed asap. A magazine article conducted a survey of 1000 people in Washington State and found that 26% of the population believe that Mount Saint Helens will have a repeat erruption this year. In the accompanying dialogue, the article states, we are 90% confident that the true proportion of people in Washington State who believe that Mount Saint Helens will have a repeat erruption this year lies between 23% and 29% . What does 90% represent in the article?A. a confidence intervalB. a confidence levelC. a margin of errorD. a statisticE. a parameterarrow_forward
- In a survey of 2343 adults, 700 say they believe in UFOs. Construct a 90%confidence interval for the population proportion of adults who believe in UFOs. Part 1 A 90% confidence interval for the population proportion is ( __, __ ) Interpret your results. Choose the correct answer below. A. The endpoints of the given confidence interval shows that 90% of adults believe in UFOs. B. With 90% confidence, it can be said that the population proportion of adults who believe in UFOs is between the endpoints of the given confidence interval. C. With 90% confidence, it can be said that the sample proportion of adults who believe in UFOs is between the endpoints of the given confidence interval. D. With 90% probability, the population proportion of adults who do not believe in UFOs is between the endpoints of the given confidence interval.arrow_forwardConstruct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of 200 females are opposed to the death penalty. Group of answer choices a.(-0.200, -0.021) b.(-1.532, 1.342) c.(-1.324, 1.512) d.(-0.561, 0.651)arrow_forwardThe National Association of Colleges and Employers sponsors the Graduating Student and Alumni Survey.Part of the survey gauges student optimism in landing a job after graduation. According to one year’s surveyresults, published in American Demographics, among the 1218 respondents, 733 said that they expecteddifficulty finding a job. Construct a 90% confidence interval for the proportion of students who expecteddifficulty finding a job. Interpret your result.arrow_forward
- In a survey of 3078 adults, 1410 say they have started paying bills online in the last year. Construct a 99% confidence interval for the population proportion. Interpret the results. Interpret your results. Choose the correct answer below. A. The endpoints of the given confidence interval show that adults pay bills online 99% of the time. B. With 99% confidence, it can be said that the sample proportion of adults who say they have started paying bills online in the last year is between the endpoints of the given confidence interval. C. With 99% confidence, it can be said that the population proportion of adults who say they have started paying bills online in the last year is between the endpoints of the given confidence interval.arrow_forward17arrow_forwardOnline News In a Harris poll of 2036 adults, 40% said that they prefer to get their news online. Construct a 95% confidence interval estimate of the percentage of all adults who say that they prefer to get their news online. Can we safely say that fewer than 50% of adults prefer to get their news online?arrow_forward
- A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the country. Out of 1093 respondents, 448 said it was a good thing. a. What percentage of those taking the poll said immigration was a good thing? b. Check the conditions to determine whether you can apply the CLT to find a confidence interval. c. Find a 95% confidence interval for the proportion who believe immigration is a good thing. a % of those taking the poll said immigration was a good thing (Round to one decimal place as needed.)arrow_forwardd. What is the upper bound for the confidence interval? e. Interpret the confidence interval you have calculatedarrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman
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