Safari File Edit View History Bookmarks Develop Window Help GC HE D 7 9 9 0 Sun Apr 10 3:02 PM MAT118 SPRING 2022 > Assessment Computer HW Section 4.2 Progress saved Submit and End & VoCO 82 points possible 2/16 answered Question 1 3 pts 9 1 0 Details er ning In a survey, 23 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $43 and a standard deviation of $9. Use the Theory-Based Inference applet to find the confidence interval at a 98% confidence level. rk (a) We are 98% confident that the average (mean) amount that all people spent on their child's last birthday gift, u, was between dollars and dollars. Give your answers to one decimal place. (b) The sample statistic is dollars. (c) The margin of error is dollars. (d) The confidence interval can be written as dollars dollars. > Next Question APR 10 "tv Ne AD