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

question 80

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 less than 15 minutes.

• A) 26
• B) 74
• C) 10
• D) None of the above

---

Definitions:

After Age 65

Pertains to the period or demographic group defined by individuals who are 65 years of age and older, often considered the senior or elderly population segment.

Neurofibrillary Tangles

Twists or tangles of filaments within nerve cells, especially prominent in the cerebral cortex and hippocampus, common in the brains of Alzheimer’s disease patients.

Alois Alzheimer

A German psychiatrist and neuropathologist best known for his identification of the first published case of "presenile dementia", which later came to be known as Alzheimer's disease.

Alzheimer's Disease

A progressive neurodegenerative disease characterized by memory loss, cognitive decline, and personality changes.