A political candidate has asked you to conduct a poll to determine what percentage of people support her. a) Suppose the candidate believes that the percentage that support her is approximately 58%....

Extracted text: A political candidate has asked you to conduct a poll to determine what percentage of people support her. a) Suppose the candidate believes that the percentage that support her is approximately 58%. If we want a 7% margin of error at a 94% confidence level, what size sample is needed? b) Suppose the candidate does not know what percentage of people support her. If the candidate wants a 7% margin of error at a 94% confidence level, what size of sample is needed? Round z-values to 2 decimals. Give your answers in whole people.