Students in an Introductory College Economics Class Were Asked How

question 94

Multiple Choice

Students in an introductory college economics class were asked how many credits they had earned in college,and how certain they were about their choice of major.Their replies are summarized below. Assuming independence,which is the expected frequency of very uncertain students with 60 credits or more?

• A)12.47
• B)2.00
• C)14.56
• D)11.09

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Definitions:

Reflection

Reflection refers to the return of light, heat, sound, or energy from a surface, or the act of serious thought or consideration.

Clarification

A process of making something less confusing or more comprehensible by providing more details or explanation.

Industrial Diseases

Illnesses and conditions that are a direct result of work or occupational environment.

Harmful Chemicals

Substances that can cause damage or adverse effects to organisms upon exposure.