10-1 Researchers in a populous country contacted more than? 25,000 inhabitants aged 22 years to see if...

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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?

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