SOLUTION: A survey was conducted to determine the percentage of students at a post secondary institution who prefer the new alpha-grading system. The responses from a random sample of 30 stu
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Question 748189: A survey was conducted to determine the percentage of students at a post secondary institution who prefer the new alpha-grading system. The responses from a random sample of 30 students are shown below.
YES-18, NO-12
Construct a 98.5% confidence interval for a population proportion who prefer the new alpha-grading system. Answer by lynnlo(4176) (Show Source):
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