document.write( "Question 342846: Sixty-five pefcent of the students are under age 24. If 5 of these students are selected, what is the probability they are all 24 or older?\r
\n" );
document.write( "\n" );
document.write( "I don't even know where to begin with this one....\r
\n" );
document.write( "\n" );
document.write( "Do I change 65% into .65 and multiple it by 5? \n" );
document.write( "
Algebra.Com's Answer #245359 by stanbon(75887) ![]() You can put this solution on YOUR website! Sixty-five percent of the students are under age 24. If 5 of these students are selected, what is the probability they are all 24 or older? \n" ); document.write( "---- \n" ); document.write( "Note: 35% are 24 or older. \n" ); document.write( "----- \n" ); document.write( "Binomial Problem with n = 5 and p = 0.35 \n" ); document.write( "---- \n" ); document.write( "P(x=5) = 5C5(0.35)^4(0.65)^0 = 0.35^5 = 0.0053 \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |