0 Question 1 v Deon wants to advertise how many chocolate chips are in each Big Chip cookie at his bakery. He randomly selects a sample of 60 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 6.7 and a standard deviation of 2.8. What is the 90% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Assume the data is from a normally distributed population. Round answers to 3 decimal places where possible. <.u question help: message instructor submit v assume that a sample is used to estimate population mean u. find the confidence interval for of size with and standard deviation enter your answer as tri-linear inequality accurate decimal places. i karen wants advertise how many chocolate chips are in each big chip cookie at her bakery. she randomly selects cookies finds number per has what answers one place statistics reported an open- parentheses c. should be obtained without any preliminary rounding. .question6> In a survey, 10 people were asked how much they spent on their child's last birthday gift. The results were roughly bellshaped with a mean of $50.6 and standard deviation of $13.2. Construct a confidence interval at a 98% confidence level. Express your answer in the format of 5T: j: Error. 5| lisi \\ Question Help: 8 Message instructor Submit