document.write( "Question 1003509: From a batch containing 6 boys and 4 girls a group of 4 students is to be selected.how many group formations will have exactly 2 girls write all steps? \n" ); document.write( "
Algebra.Com's Answer #652742 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! The probability of selecting 4 girls, one at at time is: \n" ); document.write( ".4*.4*.4*.4=.0256 \n" ); document.write( "The probability that ANY two girls will be picked out of 4 students is 4 choose 2, or 4!/2!2!, which equals 12. \n" ); document.write( ".0256*12=.3072 which equals a 30.72% percent chance that precisely two girls will be selected. \n" ); document.write( " |