document.write( "Question 128589: Each question of a 5-question multiple choice exam has 3 possible answers. Suppose a student picks an answer at random for each question. Find the probability the student selects the correct answer on none of the questions. \n" ); document.write( "
Algebra.Com's Answer #94080 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Each question of a 5-question multiple choice exam has 3 possible answers. Suppose a student picks an answer at random for each question. Find the probability the student selects the correct answer on none of the questions. \n" ); document.write( "------------------ \n" ); document.write( "Prob he gets a particular question wrong is (2/3). \n" ); document.write( "Prob he gets all 5 questions wrong is (2/3)^5 = 0.1317 \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |