document.write( "Question 1044410: Mr c needs two student from a class of 18 girls and 12 boys.what is the probability that both student chooses are girls? \n" ); document.write( "
Algebra.Com's Answer #659707 by addingup(3677)![]() ![]() You can put this solution on YOUR website! Given that the number of boys and girls in a class is as follows: \n" ); document.write( "Number of boys = 12 \n" ); document.write( "Number of girls =18 \n" ); document.write( ". . . . . . . . ----- \n" ); document.write( "Total students = 30 \n" ); document.write( ": \n" ); document.write( "The probability of choosing a girl = number of girls/total number of students in the class = 18/30 \n" ); document.write( ": \n" ); document.write( "The probability of choosing the 2nd girl = number of remaining girls/number of all students minus the chosen girl = 17/29 \n" ); document.write( ": \n" ); document.write( "Thus, the probability of choosing two girls is : \n" ); document.write( "(18/30)*(17/29)= 0.3517 = 35.17% \n" ); document.write( ": \n" ); document.write( "John \n" ); document.write( " |