SOLUTION: On a 6 question multiple-choice test, where each question has 4 answers, what would be the probability of getting at least one question wrong?
Give your answer as a fraction
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Give your answer as a fraction
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Question 568599: On a 6 question multiple-choice test, where each question has 4 answers, what would be the probability of getting at least one question wrong?
Give your answer as a fraction Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! On a 6 question multiple-choice test, where each question has 4 answers, what would be the probability of getting at least one question wrong?
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For one question: P(right) = 1/4 ; P(wrong) = 3/4
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P(at least one wrong) = 1 - P(all right) = 1 - (1/4)^6 = 0.9998
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Cheers,
Stan H.
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