MATLAB: An Introduction with Applications
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ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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 0.2% margin of error at a 99.5% confidence level, what size of sample is needed? When finding the z-value, round it to four decimal places.
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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 6% margin of error at a 95% confidence level, what size of sample is needed? When finding the z-value, round it to four decimal placesarrow_forwardA 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 90% confidence level, what size of sample is needed? When finding the z-value, round it to four decimal places.arrow_forwardA 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 95% confidence level, what size of sample is needed? When finding the z-value, round it to four decimal places.arrow_forward
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