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In a sample of 350 children, we find that 7% are alergic to bee stings. Determine the required margin of error, E, needed to construct

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In a sample of 350 children, we find that 7% are alergic to bee stings. Determine the required margin of error, E, needed to construct a 99% confidence interval of the population proportion of children who are alergic to bee stings. Round result to three decimal places. E= _

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