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

question 143

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, if a randomly selected student does not live in the dormitory, what is the probability that the student is a junior or a senior?

---

Definitions:

Reserve Price

The minimum price set by the seller that must be met or exceeded at an auction for the sale to proceed.

Profit

The financial gain made after all expenses have been deducted from total revenues.

English Auction

A bidding process where participants bid openly against one another, with each subsequent bid higher than the previous, until the highest bid wins.

Rational Self-Interest

The principle that individuals prioritize actions that result in the most personal benefit, assuming rational decision-making processes.