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Researchers in a populous country contacted more than​ 25,000 inhabitants aged 25 years to see if...

Researchers in a populous country contacted more than​ 25,000 inhabitants aged 25 years to see if they had finished high​ school; 86.8% of the12,519 males and 84.8​% of the 12,996 females indicated that they had high school diplomas.

​a) What assumptions are necessary to satisfy the conditions necessary for​ inference?

​b) Create a 90​% confidence interval for the difference in graduation rates between males and​ females,

pmales- pfemales.

​c) Interpret your confidence interval.

​d) Is there evidence that boys are more likely than girls to complete high​ school?

Math   Statistics-And-Probability   
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