A newsgroup is interested in constructing a 90% confidence interval for the difference in the proportions ofTexans and New Yorkers who favor a new Green initiative. Of the 555 randomly selected Texans surveyed,413 were in favor of the initiative and of the 568 randomly selected New Yorkers surveyed, 452 were infavor of the initiative.a. With 90% confidence the difference in the proportions of Texans and New Yorkers who favor a new(round to 3 decimalGreen initiative is between(round to 3 decimal places) andplaces).percent ofb. If many groups of 555 randomly selected Texans and 568 randomly selected New Yorkers were surveyed,then a different confidence interval would be produced from each group. Aboutthese confidence intervals will contain the true population proportion of the difference in the proportionsof Texans and New Yorkers who favor a new Green initiative and aboutpercent will not containthe true population difference in proportions.

The question is about confidence interval Given : Randomly selected no. of people from " T " ( n1 )…

Answered: A newsgroup is interested in…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A newsgroup is interested in constructing a 90% confidence interval for the difference in the proportions of Texans and New Yorkers who favor a new Green initiative. Of the 598 randomly selected Texans surveyed, 443 were in favor of the initiative and of the 572 randomly selected New Yorkers surveyed, 454 were in favor of the initiative.a. With 90% confidence the difference in the proportions of Texans and New Yorkers who favor a new Green initiative is between ________ (round to 3 decimal places) and ________ (round to 3 decimal places).b. If many groups of 598 randomly selected Texans and 572 randomly selected New Yorkers were surveyed, then a different confidence interval would be produced from each group. About ________percent of these confidence intervals will contain the true population proportion of the difference in the proportions of Texans and New Yorkers who favor a new Green initiative and about ________ percent will not contain the true population difference in…
In a poll, 69% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted of murder?" The margin of error in the poll was 2%, and the estimate was made with 96% confidence. At least how many people were surveyed?
A newsgroup is interested in constructing a 90% confidence interval for the difference in the proportions of Texans and New Yorkers who favor a new Green initiative. Of the 566 randomly selected Texans surveyed, 421 were in favor of the initiative and of the 548 randomly selected New Yorkers surveyed, 461 were in favor of the initiative.a. With 90% confidence the difference in the proportions of Texans and New Yorkers who favor a new Green initiative is between___________ (round to 3 decimal places) and _______________(round to 3 decimal places).b. If many groups of 566 randomly selected Texans and 548 randomly selected New Yorkers were surveyed, then a different confidence interval would be produced from each group. About ___________percent of these confidence intervals will contain the true population proportion of the difference in the proportions of Texans and New Yorkers who favor a new Green initiative and about___________ percent will not contain the true population…

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