Show Intro/InstructionsA political candidate has asked you to conduct a poll to determine what percentage of people support her. If thecandidate only wants a 5% margin of error at a 90% confidence level, what size of sample is needed?Hint: TextbookVideo +1

Given:Margin of error = 5%Confidence level = 90%

Answered: Show Intro/Instructions A political…

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 10% margin of error at a 90% confidence level, what is the sample size that is needed?Give your answer as a whole number.
Please do not give solution in image format thanku You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that a prior survey suggests that about 65% of air passengers prefer an aisle seat. Assume that you want to be 99% confident that the sample percentage is within 4.3 percentage points of the true population percentage.
please show all steps and please write out complete SENTENCES as to how you did each step. And explaining what you did to get the answer!!! Thanks
Pls help ASAP
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.
DUE NOW. Please answer all the script part as the same as the process on what's in the sample question and script. Note that this is not a graded question, it is just a practice. Thank you!
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 99% confidence level, what size of sample is needed? Give your answer in whole people.
Suppose you construct a 90% confidence interval for the true population mean GPA of students at Taft College. If all of the sample values remained constant and you decreased the confidence level, what would happen to the width of your confidence interval? Edit View Incort
1. Explain how to find a confidence interval for a population proportion using StatCrunch. 2. Explain how to find the margin of error given a confidence interval for a population proportion.
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please see attached - thank you in advance
1. A new brand of chocolate bar is being market tested. Four hundred of the new chocolate bars were given to consumers to try. The consumers were asked whether they liked or disliked the chocolate bar. You are given their responses below. A Response Frequency Liked 360 Disliked 40 Total 400

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Show Intro/Instructions 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? Hint: Textbook Video +1