On a Multiple Choice Test with 27 Questions, Each Question

question 112

Multiple Choice

On a multiple choice test with 27 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the variance for the number of correct answers.

• A) 25.6
• B) 2.3
• C) 50.6
• D) 5.1

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Definitions:

General Electric

A multinational conglomerate corporation involved in a variety of sectors including aviation, power, healthcare, and renewable energy.

American Supremacy

A term that refers to the dominant position of the United States in international relations and global affairs, particularly in economic, military, and cultural influence.

Amos'N Andy

A radio and television sitcom featuring African American characters, which aired in the early to mid-20th century.

African-Americans

A racial or ethnic group in the United States with ancestry from any of the black racial groups of Africa.