Please help with question, Thank you

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10 questions. Each question has answer choices of a , b , c , and d , and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that she gets more than 1 of them correct?

Jun 8th, 2015

P(A)=1-(3/4)^10=0.94


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Jun 8th, 2015

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Jun 8th, 2015
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Jun 8th, 2015
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