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A simple random sample of 1600 persons is taken to estimate the percentage of Democrats among...

A simple random sample of 1600 persons is taken to estimate the percentage of Democrats among 25000 eligible voters in a certain town. It turns out that 876 people in the sample are Democrats.

We can be 95 percent confident that between ____ percent and ____ percent of the voters are Democrats.

Math   Statistics-And-Probability   
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