ACTIVITYSLOVIN'S FORMULASuppose that you have a group of 3,500 city government employees and youwant to survey them to find out which tools are best suited to their jobs. Yourconfidence level is 5%.

Answered: Image /qna-images/answer/5ff04293-e83e-4110-bfbf-c4c94ae0348b.jpg

Answered: SLOVIN'S FORMULA Suppose that you have…

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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You want to estimate the percentage of statistics students who get grades of C or better. How many students should you survey to be 95% confident that the sample percentage is off by no more than 2 percentage points.
The election is coming up in three weeks, and you’d like one last poll to see where things stand. Last month’s poll showed your candidate had 55% support, and you want to know what percent of the voters would vote for your candidate if the election were held today. You want 95% confidence in your answer, with a margin of error no more than 3%. Determine how many voters you need to survey.
Need 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 parameter
A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=935 and x=561 who said "yes." Use a 95% confidence level.
A poll of 2368 U.S. adults found that 40% regularly used Facebook as a news source. Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 90% level of confidence. Round all answers to 2 decimal places. Margin of Error (as a percentage): Confidence Interval: % to % Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 95% level of confidence. Round all answers to 2 decimal places. Margin of Error (as a percentage): Confidence Interval: % to % Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 99% level of confidence. Round all answers to 2 decimal places. Margin of Error (as a percentage): Confidence Interval: % to % The more error we allow, the less precise our estimate. Therefore, as the confidence level increases, the precision of our…
Example 8.11 For a class project, a political science student at a large university wants to estimate the percent of students who are registered voters. He surveys 500 students and finds that 300 are registered voters. Compute a 90% confidence interval for the true percent of students who are registered voters, and interpret the confidence interval.
A poll of 2338 U.S. adults found that 71% regularly used Facebook as a news source. Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 90% level of confidence. Round all answers to 2 decimal places. Margin of Error (as a percentage): Confidence Interval: % to % Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 95% level of confidence. Round all answers to 2 decimal places. Margin of Error (as a percentage): Confidence Interval: % to %
18 see picture to solve
Find the confidence level and α for an 86% confidence interval. What is the confidence level? Determine the value of α.
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I can't seem to figure this question out and need help please, thanks so much.

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SLOVIN'S FORMULA Suppose that you have a group of 3,500 city government employees and you want to survey them to find out which tools are best suited to their jobs. Your confidence level is 5%.