According to a poll, 670 out of 1030 randomly selected smokers polled believed they are discriminated against in public life or in employment beçause of their smoking a. What percentage of the smokers polled believed they are discriminated against because of their smoking? b. Check the conditions to determine whether the CLT can be used to find a confidence interval. c. Find a 95% confidence interval for the population proportion of smokers who believe they are discriminated against because of their smoking

According to a poll, 670 out of 1030 randomly selected smokers polled believed they are discriminated against in public life or in employment beçause of their smoking a. What percentage of the smokers polled believed they are discriminated against because of their smoking? b. Check the conditions to determine whether the CLT can be used to find a confidence interval. c. Find a 95% confidence interval for the population proportion of smokers who believe they are discriminated against because of their smoking

Name: MaDizibleGmailAmazon.comFACEBOOK.C..Add shortcutesci CustomizeAccordi
Uploaded: 2022-12-08T14:54:05.000Z
Channel: Bartleby
Description: MaDizibleGmailAmazon.comFACEBOOK.C..Add shortcutesci CustomizeAccording to a poll, 670 out of 1030 randomly selected smokers polled believed they are discriminated against in public life or in employment beçause of their smoking.a. What percentage o

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 8SGR

See similar textbooks

Similar questions

What is meant by the sample space of an experiment?
A company wants to know what proportion of their customers plan to repurchase their product in the next six months. If the company wants a MOE of 2% at a 95% confidence level, what is the smallest number of customers it must survey? Show your work and calculations.
In a survey of 600 personnel directors, 40% thought that they would be hiring new personnel over the next three months. (a) Construct a 97% confidence interval for the proportion of all personnel directors planning to hire personnel over the next three months? (b) What is margin of error used in (a)? (c) Find the necessary sample size, if they wish to be accurate within 3% of the true proportion.
In a recent Zogby International Poll, nine of 48 respondents rated the likelihood of a terrorist attack in their community as “likely” or “very likely”. Use the “plus four” method to create a 98% confidence interval for the proportion of American adults who believe that a terrorist attack in their community is likely or very likely. Interpret your confidence interval.
According to the Business and Financial Times newspaper, through January 25, 2018, majority of companies listed on the Ghana Stock Exchange reporting profits had beaten estimates. A sample of 162 companies showed 104 beat estimates, 29 matched estimates, and 29 fell short. What is the margin of error of a 95% confidence interval for the proportion that beat profit estimate?
A transportation planner wishes to estimate the proportion of commuters who drive to work within 0.05. How large should the sample be, if the planner desires a confidence level of 90%? What is the assumed p and why?
Suppose you want to construct an 80% confidence interval for the proportion of businesses that provide incentives to their workers. Ifyou want a marginof error of 3.5%, how many business entities must you survey?
in a survey of 2230 adults, 57% thinks that land travel through a tourist bus is much more reliable than taking personal van. At a 95% confidence level, what is the lower confidence limit percentage of all adults who think that taking a tourist bus is much more reliable than taking a personal van.
Suppose the Dow Jones Industrial Average went up 149.82 points. The following table shows the stock price changes for a sample of 12 companies on that day. PRICE CHANGE PRICE CHANGE COMPANY $ COMPANY $ AFLAC 0.81 JOHN&JOHN 1.46 BANK AMERICA 0.05 LOEWS CP 0.92 CABELVISION 0.41 NOKIA 0.21 DIAGEO 1.32 SMPRAENGY 0.97 FLOUR CP 2.37 SUNOCO 0.52 GOODRICH 0.4 TYSON FOOD 0.22 Provide 95% confidence interval estimates of the populatioin vairance and the population standard deviation.
Find the margin of error for the given confidence level.
Explain which would result in a wider large-sample confidence interval for : a 90%pconfidence level or a 95% confidence level.
According to a poll taken in a certain country, when adults were asked whether they were thriving, struggling, or suffering, 240 out of 439 said they were struggling. a. What is the value of p, the sample proportion that say they are struggling? 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 population proportion that say they are struggling.