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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Definitions:

Sphenoid Bone

A butterfly-shaped bone at the base of the skull that forms part of the eye socket and the floor of the cranial cavity.

Foramen Ovale

An opening in the septum between the two upper chambers of the heart in a fetus, which closes soon after birth.

Zygomatic

Pertaining to the cheekbone or zygoma, a bone that forms the prominence of the cheek.

Maxillary

Pertaining to the maxilla or the upper jaw bone, which plays a key role in the formation of the upper dental arch and assists in forming the boundaries of three facial cavities: the roof of the mouth, the floor of the orbit, and the sides and floor of the nasal cavity.