A Survey of Business Students Who Had Taken the Graduate

question 20

Short Answer

A survey of business students who had taken the Graduate Management Admission Test (GMAT) indicated that students who have spent at least five hours studying GMAT review guides have a probability of 0.85 of scoring above 400. Students who do not review have a probability of 0.65 of scoring above 400. It has been determined that 70% of the business students review for the test.
a.Find the probability of scoring above 400.
b.Find the probability that a student who scored above 400 reviewed for the test.

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Definitions:

Vroom-Jago

A decision-making model that emphasizes the importance of leadership styles and situational factors in making effective decisions.

Leader-Participation Model

A leadership theory suggesting the effectiveness of a leader's decision-making is influenced by the appropriate involvement of subordinates.

Delegate

To entrust a task or responsibility to another person, typically one who is less senior in the organization.

Pollution Permit

A regulatory tool allowing entities to emit a specific amount of pollutants; often tradeable within a regulated market.