In a survey, 29 people were asked how much they spent on their child's last birthday gift.
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Question:
In a survey, 29 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $49.9 and standard deviation of $16.6. Estimate how much a typical parent would spend on their child's birthday gift (use a 80% confidence level). Give your answers to 3 decimal places. Express your answer in the format of xE. $ $
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