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Construct a confidence interval at a 99% confidence level

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Reference no: EM132256899

In a survey, 30 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $30 and standard deviation of $14. Construct a confidence interval at a 99% confidence level.

Give your answers to one decimal place.

Reference no: EM132256899

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