document.write( "Question 730731: Your teacher chooses 2 students at random to represent your homeroom. The homeroom has a total of 30 students, including your best friend. What is the probability that you and your best friend are chosen? \n" ); document.write( "
Algebra.Com's Answer #853015 by ikleyn(53418) You can put this solution on YOUR website! . \n" ); document.write( "Your teacher chooses 2 students at random to represent your homeroom. \n" ); document.write( "The homeroom has a total of 30 students, including your best friend. \n" ); document.write( "What is the probability that you and your best friend are chosen? \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "The total number of different pairs is\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The answer in the post by @lynnlo is incorrect.\r \n" ); document.write( "\n" ); document.write( "So and therefore, ignore his post.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |