In a survey, 101 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $50 and standard deviation of $7. Construct a confidence interval in the form $\displaystyle \text{estimate }\ \pm\ \text{ margin of error}$ at a 99% confidence level.

$\displaystyle \pm$ Give your answers to one decimal place. Technology