A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 3% margin of error at a 99% confidence level, what size of sample is needed? When finding the z-value, round it to four decimal places.

A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 3% margin of error at a 99% confidence level, what size of sample is needed? When finding the z-value, round it to four decimal places.

Name: A political candidate has asked you to conduct a poll todetermine wha
Uploaded: 2024-03-20T07:07:00.000Z
Channel: Bartleby
Description: A political candidate has asked you to conduct a poll todetermine what percentage of people support him. If thecandidate only wants a 3% margin of error at a 99%confidence level, what size of sample is needed? Whenfinding the z-value, round it to fo

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

H 2
Describe when you would use a t-score instead of a z-score when finding a confidence interval.
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.
What are the z-scores for 90%, 95%, and 99% confidence?
Use the formula in this example to determine the sample size, n.The estimated prevalence is 19%, and the desired confidence level is 93% with a margin of error of 4%. (Round your answer to the nearest integer.)n =
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.
Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=964 and x = 540 who said "yes." Use a 95% confidence level.
A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 3% margin of error at a 98% confidence level, what size of sample is needed? The political candidate will need to sample 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 3% margin of error at a 99% confidence level, what is the minimum sample size needed for the study?Give your answer as a whole number.