document.write( "Question 268772: 7. A flashlight has 6 batteries, 2 of which are defective. If 2 are selected at random without replacement, find the probability that both are defective. \n" ); document.write( "
Algebra.Com's Answer #196937 by stanbon(75887) ![]() You can put this solution on YOUR website! A flashlight has 6 batteries, 2 of which are defective. If 2 are selected at random without replacement, find the probability that both are defective. \n" ); document.write( "--------------------- \n" ); document.write( "# of pairs of defectives: 2C2 = 1 \n" ); document.write( "------------------- \n" ); document.write( "# of random pairs: 6C2 = 15 \n" ); document.write( "--------------------------------------- \n" ); document.write( "P(select 2 defective) = 1/15 \n" ); document.write( "================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |