In a recent poll, 44% 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 150 randomly selected students on your campus and find that 71 of them would prefer a boy. (a) Use the normal approximation to the binomial to approximate the probability that, in a random sample of 150 students, at least 71 would prefer a boy, assuming the true percentage is 44%.
(b) Does this result contradict the poll? Explain.
Mr. Jones's prescription calls for 1.04 tablets per day. Based on this information, how many tablets should Mr. Jones take per day? a) 1.25 O b) 1.5 c) 1 O d) 2