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In a survey, 12 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean

In a survey, 12 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $45.7 and standard deviation of $12.9. Estimate how much a typical parent would spend on their child's birthday gift (use a 98% confidence level). Give your answers to 3 decimal places. Express your answer in the format of xxE. $ $

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