In a survey, 14 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...

Extracted text: In a survey, 14 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 99% confidence level. Give your answers to one decimal place. Interpret your confidence interval in the context of this problem.