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

question 11

Short Answer

TABLE 8-10
The president of a university is concerned that illicit drug use on campus is higher than the 5% acceptable level. A random sample of 250 students from a population of 2,000 revealed that 7 of them had used illicit drug during the last 12 months.
-Referring to Table 8-10, what is the upper bound of the 90% one-sided confidence interval for the proportion of students who had used illicit drug during the last 12 months?

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Definitions:

Somatic Nervous System

A section of the peripheral nervous system responsible for managing the intentional movement of the body by regulating skeletal muscles.

Eyeblink

A rapid closing and opening of the eyelid, which serves as a protective reflex to remove irritants from the surface of the eye or shield it from bright lights or approaching objects.

Cerebellum

The part of the brain that controls muscular coordination and equilibrium.

Hindbrain

The rear part of the brain that includes the cerebellum and brainstem, involved in regulating basic life functions like heartbeat and breathing.