QUESTION 15 1 points If the population proportion p = 0.76 and n = 9, then the standard error of the sample proportion D is (assume as usual that p is unbiased) QUESTION 16 1 points If the sample proportion p = 0.73 and n = 7, then, according to the common substitution approximation, what is the standard error of the sample proportion p ? (assume as usual that p is unbiased) QUESTION 17 1 points When is the success-failure condition of the Central Limit Theorem satisfied? Match the appropriate answer to the given scenario. - vn = 50 and p = 0.5 A. satisfied vn = 20 and p = 0.4 B. not satisfied - vn = 100 and p = 0.25 vn = 100 and p = 0.92