In August 2004, a Time magazine article about a survey of men s attitudes reported that 11 of 161 black respondents and 20 of 358 Latino respondents responded Yes to the question Are you a stay-athome dad? How big is the difference in proportions in the two populations?
a) Construct and interpret an appropriate confidence interval.
b) Overall, the survey contacted 1302 men and claims a margin of ±2.9% error of Why is the margin of error different for your confidence interval?