SOLUTION: a student takes a 4 question multiple choice quiz with 4 choices for each question. IF the student guesses at random on each question, what is the probability that the student get
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Question 524466: a student takes a 4 question multiple choice quiz with 4 choices for each question. IF the student guesses at random on each question, what is the probability that the student gets exactly two quesions right?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A student takes a 4 question multiple choice quiz with 4 choices for each question. IF the student guesses at random on each question, what is the probability that the student gets exactly two quesions right?
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Binomial Problem with n = 4 and p = 1/4
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P(x=2) = 4C2*(1/4)^2*(3/4)^2 = 0.2109
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Cheers,
Stan H.
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