Question Completion Status: QUESTION 12 1 points Save A What is the relevant z-score (the z* in the formula for CI) for a given confidence interval? Match the appropriate answer to the given scenario. - v 95% A. 1.96 - v 99% B. 2.58 - . 90% C. 1.65 - v 80% D. 1.28 QUESTION 13 1 points Save An If the population proportion p = 0.64, then the expected value of the sample proportion D is (assume as usual that there is no sampling bias) QUESTION 14 1 points Save An If the population proportion p = 0.79 and n = 81, then the lower limit of the 95% confidence interval is (assume as usual that p is unbiased) (Note: if an interval ranges e.g. from 3 to 4, 3 is the lower limit of the interval)