document.write( "Question 896186: A multiple-choice test consists of 9 questions. Each question has answer choices of a, b, c, d, and e, and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that she gets fewer than 2 of them correct?\r
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document.write( "Carry your intermediate computations to at least four decimal places, and round your answer to at least two decimal places. \n" );
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Algebra.Com's Answer #543286 by stanbon(75887) ![]() You can put this solution on YOUR website! A multiple-choice test consists of 9 questions. Each question has answer choices of a, b, c, d, and e, and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that she gets fewer than 2 of them correct? \n" ); document.write( "----- \n" ); document.write( "Binomial Problem with n = 9 and p(correct) = 1/5 \n" ); document.write( "----- \n" ); document.write( "P(0<= x <=1) = binomcdf(9,1/5,1) = 0.4362 \n" ); document.write( "-------------------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=================== \n" ); document.write( " \n" ); document.write( " |