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TABLE 4-2 An Alcohol Awareness Task Force at a Big-Ten University Sampled

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TABLE 4-2
An alcohol awareness task force at a Big-Ten university sampled 200 students after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following result was obtained.
TABLE 4-2 An alcohol awareness task force at a Big-Ten university sampled 200 students after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following result was obtained.    -Referring to Table 4-2, what is the probability that a randomly selected student did well on the midterm or went bar hopping the weekend before the midterm? A)  30/200 or 15% B)  (80 + 30) /200 or (30 + 80) /200 or 55% C)  (30 + 70) /200 or (70 + 30) /200 or 50% D)  (80 + 30 + 70) /200 or (110 + 100 - 30) /200 or 90%
-Referring to Table 4-2, what is the probability that a randomly selected student did well on the midterm or went bar hopping the weekend before the midterm?


Definitions:

Budget Line

A visual depiction showing all the different pairs of two products that can be bought within a certain budget at particular price levels.

Market Baskets

A set of goods or services used as a standard for comparing purchasing power or cost of living in different locations.

Completeness

In economics, completeness refers to a property of preferences indicating that any two bundles of goods can be compared, allowing for decisions on which is preferred or if they are equally desirable.

Transitivity

A principle in decision making that if option A is preferred over B, and B is preferred over C, then A should be preferred over C.

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