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
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #751476 by Boreal(15235)\"\" \"About 
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( "
\n" );