TABLE 8-10 The President of a University Is Concerned That Illicit Drug

question 182

True/False

TABLE 8-10
The president of a university is concerned that illicit drug use on campus is higher than the 5% targeted level. A random sample of 250 students from a population of 2,000 revealed that 7 of them had used illicit drugs during the last 12 months.
-Referring to Table 8-10, using the 90% one-sided confidence interval, the president can be 85% confident that no more than 5% of the students at the university had used illicit drugs during the last 12 months.

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