10-1
Researchers in a populous country contacted more than? 25,000inhabitants aged 22 years to see if they had finished high? school;81.7%
of the 12,858 males and 80.1?% of the 12,957 females indicatedthat they had high school diplomas.
?a) What assumptions are necessary to satisfy the conditionsnecessary for? inference?
?b) Create a 90?% confidence interval for the difference ingraduation rates between males and? females,
p Subscript males Baseline minus p Subscriptfemalespmales?pfemales.
?c) Interpret your confidence interval.
?d) Is there evidence that boys are more likely than girls tocomplete high? school?
