[Solution Library] A high school has 900 students. In a sample of 150 students it was shown that 30 of the students had tested narcotics. Determine the
Question: A high school has 900 students. In a sample of 150 students it was shown that 30 of the students had tested narcotics. Determine the 95% confidence interval for the number of students that have tested narcotics at the high school.
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