Question: You may need to use the appropriate appendix table or technology to answer this question. In a sample of 400 registered voters, 201 were

You may need to use the appropriate appendix table or technology to answer this question. In a sample of 400 registered voters, 201 were Democrats. (a) Provide a 95% confidence interval for the proportion of registered Democrats in the population. (Round your answers to five decimal places.) to (b) There are 169 million registered voters in the US. Determine an interval for the number (how many) of registered Democrats in the population. (Round your answers to the nearest whole number.) to

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