document.write( "Question 263018: Assume that 8 competitors in a race are 4 men and 4 women. All are equally fit. What is the probability the top 3 finishes will include exactly one woman? \n" ); document.write( "
Algebra.Com's Answer #193957 by palanisamy(496)![]() ![]() ![]() You can put this solution on YOUR website! There are 4 men and 4 women. \n" ); document.write( "The top 3 finishes will include exactly one woman. \n" ); document.write( "Out of 8 competitors 3 can be selected in 8C3 = (8*7*6)/(1*2*3) = 56 ways \n" ); document.write( "Out of 4 women 1 can be selected in 4 ways. \n" ); document.write( "Out of 4 men 2 can be selected in 4C2 = (4*3)/(1*2) = 6 ways. \n" ); document.write( "Number of favorable ways = 4*6 = 24 \n" ); document.write( "The probability the top 3 finishes will include exactly one woman = 24/56 \n" ); document.write( " = 3/7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |