Question: You are planning a sample survey to estimate the proportion of U.S. registered voters that plan to vote for the Republican candidate in the next

You are planning a sample survey to estimate the proportion of U.S. registered voters that plan to vote for the Republican candidate in the next presidential election. You want to estimate p with 99% confidence and a margin of error no greater than 2%. Using a p* of 0.5, how large of a sample do you need? The formula gives us: . Enter the value represented by the blank space in the formula

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