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Confidence Level 0.90 z= 1.645 In a poll of 1000 randomly selected voters in a local election, 356 voters were in favor of school bond

Confidence Level 0.90 z= 1.645

In a poll of 1000 randomly selected voters in a local election, 356 voters were in favor of school bond measures. What is the sample proportion? What is the margin of error for the 90% confidence level?

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