2 3 4 5 6 Question 6 of 7 (1 point) Attempt 1 of Unlimited View question in a popup 8.1 Section Exercise 46 Watch your cholesterol: A sample of 315 patients between the ages of 38 and 82 were given a combination of drugs ezetimibe and simvastatin. They achieved a mean reduction in total cholesterol of 0.94 millimole per liter. Assume the population standard deviation is 6 = 0_17. Part: 0 / 3 Part 1 of 3 (a) Construct an 80% confidence interval for the mean reduction in total cholesterol in patients who take this combination olo of drugs. Round the answer to at least two decimal places. An 80% confidence interval for the mean reduction in cholesterol is