A Multiple Choice Exam Offers Four Choices for Each Question

question 1

Multiple Choice

A multiple choice exam offers four choices for each question. Paul just guesses the answers, so he has probability 1/4 of getting any one answer right.
What is the expected number of right answers Paul will get if the test has 20 questions?

• A) 5
• B) 4
• C) 2
• D) 1/4
• E) Can't tell from the information given.

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Definitions:

Accounting

The systematic process of recording, measuring, and communicating financial information about economic entities.

Recording

The act of documenting financial transactions in the books of accounts as part of the accounting process.

Transactions

Financial events that affect the assets, liabilities, or equity of a company, recorded in its accounting system.

Accounting

The systematic process of recording, measuring, and communicating information about financial transactions.