regarding the central limit theorem: read the following statements. (a) regardless of the underlying population distribution, is approximately normal with mean and variance . (b) regardless of the underlying population distribution, is approximately distributed as . (c) the central limit theorem can only be applied to continuous distributions. (d) if is greater than 25 or 30 then normal approximations generally will be good. now choose the correct answer. group of answer choices statements (a), (b), and (c) only are correct. statements (b) and (d) only are correct. all statements (a), (b), (c), and (d) are correct. statements (a), (b), and (d) only are correct. none of these answers are correct.