7.4.27-T Question Help In a recent poll, 35% of survey respondents said that, if they only had one child, they would prefer the child to be a boy. Suppose you conducted a survey of 190 randomly selected students on your campus and find that 81 of them would prefer a boy. (a) Use the normal approximation to the binomial to approximate the probability that, in a random sample of 190 students, at least 81 would prefer a boy, assuming the true percentage is 35% (b) Does this result contradict the poll? Explain. (a) The probability that at least 81 students would prefer a boy is (Round to four decimal places as needed.)