You are told that a random sample of 150 people from Manchester New Hampshire have been given cholesterol tests, and 60 of these people had levels over the “safe” count of 200. Using Excel, construct a 95% confidence interval for the population proportion of people in New Hampshire with cholesterol levels over 200. Note: Note […]
Description One can calculate the 95% confidence interval for the mean with the population standard deviation known. This will give us an upper and a lower confidence limit. What happens if we decide to calculate the 99% confidence interval? Describe how the increase in the confidence level has changed the width of the confidence interval. […]
Question 1 Is a 99% confidence interval wider than a 95% confidence interval? Question 2 0 / 20 points Illowsky: Page 450 Exercise 100 What is meant by the term “90% confident” when constructing a confidence interval for a mean? Question 3 0 / 20 points David Lane: Page 365 Exercise 15 You […]
