Mathematics, 06.05.2020 02:39 triciajfive

The local news channel wants to know how many registered voters they should poll to estimate the proportion of all registered voters voting for Candidate A in the coming election. There is no prior information about the true proportion and they want the estimate to be 90% confident with 3% margin of error. What is the minimum number of registered voters needed in a simple random sample?

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The local news channel wants to know how many registered voters they should poll to estimate the pro...