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In a survey, 3D people were asked how much they spent on their child's last birthday gift. The results were roughlyI hellvshaped with a mean

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In a survey, 3D people were asked how much they spent on their child's last birthday gift. The results were roughlyI hellvshaped with a mean of $34 and standard deviation of $5. Find the margin of error at a 810% confidence level. Give your answer to three decimal places

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