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aldape06252004
aldape06252004
17.02.2021 • 
Mathematics

Part 2: Free Response Show all your work. Indicate clearly the methods you use, because you will be graded on the correctness of
your methods as well as on the accuracy and completeness of your results and explanations.
11. Mr. Thomas of Wilmer Amina Carter High School (a large urban high school) wants to know what
proportion of the student body favors banning plastic water bottles from the school buildings and grounds.
A simple random sample of 152 students finds that 85 support banning plastic bottles.
Remember (a) Construct and interpret a 95% confidence interval for the proportion of all students at Wilmer Amina
Carter High School who support banning plastic water bottles.

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