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Mathematics, 24.02.2022 09:20 kelseybell5360

n 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 $32 and standard deviation of $15. Construct a confidence interval at a 90% confidence level. Enter your answer as an interval (i. e., parentheses) accurate to one decimal place. Confidence interval =

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