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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 495-
A politicaL candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only wants a 495- margin of error at a 91595- cenfidence level, what size of sample is needed? When finding the z-vaLue, round it to four decimal places. Hint: Video IZ'T' [+] You want to obtain a sampLe to estimate a population proportion. At this point in time. you have no reasonable preliminary estimation for the population proportion. You would like to be 909-5 confident that you estimate is within 4.59:\" of the true population proportion. How Large of a sample size is required? Hint: Video f [+] A politicaL candidate has asked you to conduct a poll to determine what percentage 01 people support her. If the candidate only wants a 352'- margin of error at a 90% confidence level, what size of sample is needed? When finding the zvalue, round it to four decimal places. Hint: VideoL'T' [+] You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.63. You would like to be 9552'- confident that your esimate is within 292'- of the true population proportion. How large of a sample size is required? Hint: Video IZ'T' [+] You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 56%. You would like to be 9955 confident that your estimate is within 59:\" of the true population proportion. How large of a sample size is required? Hint: VideoLF-l [+]
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