document.write( "Question 1024476: A student takes a 5 question multiple choice exam with four choices for each question. To pass the test the student must score above 70%. What is probability of passing by guessing? Thanks
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Algebra.Com's Answer #639883 by robertb(5830)\"\" \"About 
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Assuming the weights of the five questions are equal, the student has to get 4 or 5 correct answers.\r
\n" ); document.write( "\n" ); document.write( "==> probability of passing by guessing is p(4) +p(5) = \"C%285%2C4%29%2A0.75%5E1%2A0.25%5E4+%2B%0D%0AC%285%2C4%29%2A0.75%5E0%2A0.25%5E5+=+1%2F64\", or 1.5625%
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