HW 8 Practice for the Final Exam: Problem 18 Previous Problem Problem List Next Problem (1 point) A random sample of 70 observations produced a mean of 27.9 from a population with a normal distribution and a standard deviation of 3.26. Find a 95% confidence interval for u: Note: Round your answer to 2 decimal places. Note: You can earn partial credit on this problem.HW 8 Practice for the Final Exam: Problem 17 Previous Problem Problem List Next Problem (1 point) Cans of regular Coke are labeled as containing 12 oz. Statistics students weighed a sample of 10 randomly chosen cans, and found the sample mean weight to be 12.04 oz. Assume that cans of Coke are filled so that the actual amounts are normally distributed with a mean of 12.00 oz and a population standard deviation of 0.1 oz. (a) Find the standard error of the sampling distribution. Round your answer to 4 decimal places. Answer: (b) Find the probability that a sample of 10 cans will have a sample mean amount of at least 12.04 oz. Round your answer to 4 decimal places