A Multiple-Choice Test Consists of Ten Questions, Each with A-E

question 43

Multiple Choice

A multiple-choice test consists of ten questions, each with A-E answers. If you guess the answer to each question, how many questions can you expect to get correct? Also find the standard deviation of the number of questions you can expect to get correct.

• A) 1, 1.6
• B) 3, 1.3
• C) 2, 1.3
• D) 1.2, 1.6
• E) None of the choices are correct

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Definitions:

Tuckman Model

A theory describing the phases of group development: forming, storming, norming, performing, and adjourning.

Group Development

The process through which a group evolves, passes through different stages, and matures in its functionality and relationships.

Adjourning

The final stage in group development where the group disbands or completes its task.

Jane Addams

An American social reformer and activist known for her work in establishing settlement houses in Chicago for immigrants and the poor in the late 19th and early 20th centuries.