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The formula for margin of sampling error is \"\", Where n is size of the sample.

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The given values are \"\".

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\"\"   (Substitute \"\")

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\"\"         (Subtract: \"\")

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\"\"                (Multiply: \"\")

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\"\"                  (Divide: \"\")

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\"\"                        (Use a calculator: \"\")

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The margin of error is about 76%. \"\"

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The margin of error is about 76%.