In a certain town, there are 40,000 registered voters, of whom 15,000 are - 14664

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In a certain town, there are 40,000 registered voters, of whom 15,000 are Republicans.  A survey organization is about to take a simple random sample of 1,200 registered voters.  Find the chance that between 35% and 40% of the registered voters in the sample are Republicans.

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In a certain town, there are 40,000 registered voters, of whom 15,000 are Republicans.  A