document.write( "Question 759056: their are 5 questions and 4 answers to each what is the probability of guessing 1 right \n" ); document.write( "
Algebra.Com's Answer #461804 by stanbon(75887) ![]() You can put this solution on YOUR website! their are 5 questions and 4 answers to each what is the probability of guessing 1 right \n" ); document.write( "---- \n" ); document.write( "Binomial Problem with n = 5 and P(correct) = 1/4 \n" ); document.write( "------ \n" ); document.write( "P(x = 1) = 5C1(1/4)(3/4)^4 = 5(1/4)(81/256) = 405/1024 = 0.3955 \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "====================== \n" ); document.write( " |