TABLE 4-8 According to the Record of the Registrar's Office at a at a State

question 54

Short Answer

TABLE 4-8
According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore, 16% are junior and the rest are senior. Among the freshmen, sophomores, juniors and seniors, the portion of students who live in the dormitory are, respectively, 80%, 60%, 30% and 20%.
-Referring to Table 4-8, what is the probability that a randomly selected student is a junior or senior who lives in a dormitory?

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Definitions:

West Africa

A region in Africa that includes countries on the Atlantic coast, known for its diverse cultures, languages, and histories.

Deprivation

A lack or denial of something considered to be a necessity, leading to adverse effects on physical or psychological well-being.

Homeostasis

The self-regulating process by which biological systems tend to maintain stability while adjusting to conditions that are optimal for survival.

Drive

An internal urge that motivates behavior towards fulfilling a need or achieving a goal.