document.write( "Question 682020: THE PROBABILITY OF A STUDENT AT A PARTICULAR UNIVERSITY BEING FEMALE IS 0.57. 12 STUDENTS AT THIS UNIVERSITY ARE SELECTED AT RANDOM (INDEPENDENTLY OF EACH OTHER. WHAT IS THE PROBABILITY THAT 3 OF THEM ARE FEMALE? \n" ); document.write( "
Algebra.Com's Answer #422972 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! THE PROBABILITY OF A STUDENT AT A PARTICULAR UNIVERSITY BEING FEMALE IS 0.57. 12 STUDENTS AT THIS UNIVERSITY ARE SELECTED AT RANDOM (INDEPENDENTLY OF EACH OTHER. WHAT IS THE PROBABILITY THAT 3 OF THEM ARE FEMALE? \n" ); document.write( "-------- \n" ); document.write( "Binomial Problem with n = 12 and p(female) = 0.57 \n" ); document.write( "------ \n" ); document.write( "P(x = 3) = 12C3*0.57^3*0.43*^9 = binompdf(12,0.57,3) = 0.0205 \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |