document.write( "Question 1134191: If a student randomly guesses at 15 multiple-choice questions, find the probability that the student gets exactly five correct. Each question has four possible choices.\r
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Algebra.Com's Answer #751476 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Binomial with 15C5 ways to get 5 correct (3003). Probability of correct on any one is 1/4. \n" ); document.write( "3003 multiplied by 0.25^5*0.75^10=0.1651 \n" ); document.write( " |