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A Multiple-Choice Test Has 30 Questions

Question 143

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

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