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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The process of bringing data into one program from another, often for data analysis or integration purposes.

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A method of sorting data in which values are arranged from highest to lowest.

Datasheet

A grid-based view displaying rows and columns of data, similar to a spreadsheet.