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Problems 9 and 10 9. Find the minimum sample size you would need to assure that your estimate of will be within a margin of

Problems 9 and 10

9. Find the minimum sample size you would need to assure that your estimate of will be within a margin of error of 4% with a confidence level of 90% when a prior study estimated to be 0.28 10. Find the minimum sample size needed to estimate the percentage of Republicans among registered voters in California. Use a 3% margin of error, 90% confidence level and assume that is unknown

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