Mathematics, 15.12.2021 05:40, ZahauQ
In a survey, 18 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $36 and standard deviation of $5. Construct a confidence interval at a 90% confidence level. Give your answers to one decimal place.
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In a survey, 18 people were asked how much they spent on their child's last birthday gift. The resul...
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