TABLE 2-5 The Following Are the Duration in Minutes of a Sample

question 192

Multiple Choice

TABLE 2-5
The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
-Referring to Table 2-5, if 100 calls were sampled, ________ of them would have lasted 20 minutes or more.

• A) 26
• B) 16
• C) 74
• D) None of the above

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Definitions:

Diencephalon

A division of the forebrain that includes structures such as the thalamus and hypothalamus, involved in sensory and motor signal relay and the regulation of various bodily functions.

Tegmentum

A region located in the midbrain responsible for regulating movement and arousal, and involved in various other neural processes.

Tectum

A region in the midbrain that plays a role in auditory and visual reflexes.

Substantia Nigra

A brain structure located in the midbrain involved in movement control, recognized for its dark pigmented neurons that produce dopamine.