SOLUTION: A multiple choice quiz has 5 questions, each with 5 answers. If you guess on all 5 questions what is the probability that you get at least one right?
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Question 674964: A multiple choice quiz has 5 questions, each with 5 answers. If you guess on all 5 questions what is the probability that you get at least one right?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A multiple choice quiz has 5 questions, each with 5 answers. If you guess on all 5 questions what is the probability that you get at least one right?
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Binomial Problem n = 5 and p(correct) = 1/5 ; p(wrong) = 4/5
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P(1 <= x <= 5) = 1 - P(x = 0)
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= 1 - (4/5)^5
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= 0.6723
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Cheers,
Stan H.
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