document.write( "Question 524466: a student takes a 4 question multiple choice quiz with 4 choices for each question. IF the student guesses at random on each question, what is the probability that the student gets exactly two quesions right? \n" ); document.write( "
Algebra.Com's Answer #347762 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A student takes a 4 question multiple choice quiz with 4 choices for each question. IF the student guesses at random on each question, what is the probability that the student gets exactly two quesions right? \n" ); document.write( "----------------------- \n" ); document.write( "Binomial Problem with n = 4 and p = 1/4 \n" ); document.write( "------ \n" ); document.write( "P(x=2) = 4C2*(1/4)^2*(3/4)^2 = 0.2109 \n" ); document.write( "---------------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |