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

question 97

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

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A reduction from the usual cost of something, typically for promotional reasons or to incentivize purchase.

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A written composition on a particular topic, often published in a newspaper or magazine.

Discount Period

The window of time in which a payment can be made at a reduced rate.

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Governmental support aimed at ensuring the basic physical and material well-being of individuals, often including provisions for health care, education, and housing.