A researcher wishes to be 95% confident that her estimate of the true proportion of individuals who
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A researcher wishes to be 95% confident that her estimate of the true proportion of individuals who travel overseas is within 4% of the true proportion. Find the sample necessary if in a prior study, a sample of 200 people showed that 40 traveled overseas last year. If no estimate of the sample proportion is available, how large should the sample be?
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p 40 200 02 q 08 n 38416 or 385 I...View the full answer
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