A political candidate has asked you to conduct a poll to determine what percentage of people support him. If thecandidate only wants a 5% margin of error at a 99.5% confidence level, what size of sample is needed?

In this question, It has been given that Margin of error = 0.05 and level of significance = 0.005.…

Answered: A political candidate has asked you to…

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 political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 6% margin of error at a 95% confidence level, what size of sample is needed? Give your answer in whole people.
A political candidate has asked you to conduct a poll to determine what percentage of people support her.If the candidate only wants a 5% margin of error at a 90% confidence level, what size of sample is needed?Give your answer in whole people.
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.
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
Is what I have here already correct? And how should I word the second part of the of the question?
A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 8% margin of error at a 90% confidence level, what size of sample is needed? Give your answer in whole people.
Andrew Rodriguez, Walnut's mayor, is conducting a survey to see what percentage of people support a new Council Member of Walnut. They have asked you to conduct a poll, in the city of Walnut, to determine what percentage of Walnut residents support him. If Andrew Rodriguez only wants a 3% margin of error at a 95% confidence level, what sample size is needed?
A political candidate has asked you to conduct a poll to determine what percentage of people support her.If the candidate only wants a 10% margin of error at a 90% confidence level, what size of sample is needed?Give your answer in whole people.

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A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 5% margin of error at a 99.5% confidence level, what size of sample is needed?