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Suppose you are taking a multiple choice exam with 61 questions, each with 4 possible answers. If you were to guess at random for each question, how many questions would you expect to get right

User Gplumb
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1 Answer

5 votes

Answer:

15.25

Explanation:

The probability of getting a question right is 1/4 because there are 4 possible answers, and you're just guessing randomly.

You can expect to get 1/4 of the questions right.


(1)/(4)* 61 =15.25

User Dmitry Sapelnikov
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