In a survey, 21 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $34 and standard deviation of $10. Use thetheory-based inference appletto find the confidence interval at a 80% confidence level.Give your answers to one decimal place.

We are 80% confident that the average (mean) amount that people spent on their child's last birthday gift,

, was between____ dollars and____dollars