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In a survey, 11 people were asked how much they spent on their child's last birthday...

In a survey, 11 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 and standard deviation of $3. Construct a confidence interval at a 95% confidence level.

Give your answers to one decimal place.
___+-____

Math   Statistics-And-Probability   
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