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...


A political candidate has asked you to conduct a poll to determine what percentage of people support her.<br>If the candidate only wants a 8% margin of error at a 90% confidence level, what size of sample is needed?<br>When finding the z-value, round it to four decimal places.<br>Hint: Video [+]<br>

Extracted text: 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? When finding the z-value, round it to four decimal places. Hint: Video [+]

Jun 08, 2022
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