SOLUTION: On a 10 question multiple-choice test, where each question has 2 answers, what would be the probability of getting at least one question wrong? Give your answer as a fraction

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Question 568593: On a 10 question multiple-choice test, where each question has 2 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 10 question multiple-choice test, where each question has 2 answers, what would be the probability of getting at least one question wrong?
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P(at least one) = 1 - P(none wrong) = 1 - (1/2)^10 = 1 - 1/1024
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= 1023/1024
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Cheers,
Stan H.
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