In a Class of 200 Students, Bill's Mark Corresponded to a Z-Score

question 90

Multiple Choice

In a class of 200 students, Bill's mark corresponded to a z-score of 1 and Tom's mark corresponded to a z-score of 2. If the distribution of marks was bell-shaped ('normal') than the number of students with a
Grade between Bill's mark and Tom's mark is closest to

• A) 5
• B) 10
• C) 20
• D) 30

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Definitions:

Oligopoly

A market structure characterized by a small number of firms controlling a large market share, leading to limited competition.

Monopolistically Competitive

Characterizes a market environment where various businesses market products that resemble each other but are not exact duplicates, thereby providing them with some level of control over the market.

Allocative Efficiency

A state of resource allocation in which goods and services are distributed according to consumer preferences, achieving optimal distribution.

Productive Efficiency

A scenario where goods or services are produced at the lowest possible cost and with maximum efficiency in resource usage.