Exhibit 9-5

question 31

Multiple Choice

Exhibit 9-5.A university interested in tracking their honors program believes that the proportion of graduates with a GPA of 3.00 or below is less than 0.20.In a sample of 200 graduates,30 students have a GPA of 3.00 or below. Refer to Exhibit 9-5.In testing the university's belief,how does one define the population parameter of interest?

• A)It's the proportion of honors graduates with a GPA of 3.00 or below.
• B)It's the mean number of honors graduates with a GPA of 3.00 or below.
• C)It's the number of honors graduates with a GPA of 3.00 or below.
• D)It's the standard deviation of the number of honors graduates with a GPA of 3.00 or below.

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Definitions:

REM Sleep

A phase of sleep characterized by rapid eye movements and brain activity similar to being awake, often associated with vivid dreaming.

Nightmare

A disturbing dream associated with negative feelings, such as fear or horror, which can awake a person.

Parasomnias

Sleep disturbances in which behaviors and physiological states that normally take place only in the waking state occur while a person is sleeping.

Insomnias

Sleep disorders characterized by difficulty falling or staying asleep, leading to significant distress or impairment in daytime functioning.