In a simple random sample of 1600 young​ people, 86​% had earned a high school diploma. Complete parts a through d below. a. What is the standard error for this estimate of the percentage of all young...



In a simple random sample of
1600 young​ people, 86​% had earned a high school diploma.



Complete parts a through d below.




a.
What is the standard error for this estimate of the percentage of all young people who earned a high school​ diploma?
Anwer_____



b.
Find the margin of​ error, using a​ 95% confidence​ level, for estimating the percentage of all young people who earned a high school diploma.
Answer_______
(Round to one decimal place as​ needed.)


c.
Report the​ 95% confidence interval for the percentage of all young people who earned a high school diploma.


Answer (____%,  ____%)  (Round to one decimal place as​ needed.)






Jun 10, 2022
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