Previous Problem Problem List Next Problem (6 points) Suppose you have selected a random sample of n = 14 measurements from a normal distribution. Compare the standard normal z values with the corresponding t values if you were forming the following confidence intervals. (a) 80% confidence interval Z = t = (b) 90% confidence interval 2 = t (c) 98% confidence interval Note: You can earn partial credit on this problem. Preview My Answers Submit Answers