A political candidate has asked you to conduct a poll to determine what percentage of people...

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A political candidate has asked you to conduct a poll to determine what percentage of people...

A political candidate has asked you to conduct a poll to determine what percentage of people support her.

If the candidate only wants a 4% margin of error at a 90% confidence level, what size of sample is needed?

Give your answer in whole people.

math Statistics-And-Probability

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Answer 1

Answer #1

ivem A 90%confidenieleve _1enal et significante 1-0.ga_o.10 levelf づ! Ca 2. 2 2xi2 .645 sing -table - Assume p=0.5 sample Si2e 2 645(o.S)(l-o.5) 422.82 -sample sia ech 423

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Answer 2

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