A Multiple-Choice Test Has 30 Questions

question 49

Multiple Choice

A multiple-choice test has 30 questions.There are 4 choices for each question.A student who
Has not studied for the test decides to answer all questions randomly.What type of probability
Distribution can be used to figure out his chance of getting at least 20 questions right?

• A) binomial distribution.
• B) Poisson distribution.
• C) hypergeometric distribution.
• D) none of the above.

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