- 5 O Co 1 Question 8 In A Survey 10 People Were Asked How Much They Spent On Their Child S Last Birthday Gift The Re 1 (156.38 KiB) Viewed 25 times
5 O CO 1... Question 8 In a survey, 10 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $36 and standard deviation of $5. Construct a confidence interval at a 90% confidence level. Write your interval in the form of point estimate margin of error and give your answers to one decimal place. Question Help: Message instructor Submit Question Question 9 0/1 pt 399 Details + 0/1 pt 399 Details Eloisa wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 46 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 19.5 and a standard deviation of 2.9. What is the 90% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Question Hol Enter your answers accurate to one decimal place (because the sample statistics are reported accurate to one decimal place). With 90% confidence Eloisa estimates the true mean amount of chocolate chips is between chocolate chips and chocolate chips per cookie. 4