document.write( "Question 452252: you are taking a math quiz in which 4 questions are randomly selected from a test bank containing 7 questions. How many versions of the quiz are possible? \n" ); document.write( "
Algebra.Com's Answer #310893 by edjones(8007)![]() ![]() You can put this solution on YOUR website! nCr \n" ); document.write( "=7C4 \n" ); document.write( "=7!/((7-4)!*4!) \n" ); document.write( "=35 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |