document.write( "Question 34742: Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. What is the probability that both marbles are white? Please answer in fraction form. \n" ); document.write( "
Algebra.Com's Answer #21017 by mukhopadhyay(490)\"\" \"About 
You can put this solution on YOUR website!
N(S) is the number of possible ways from the entire sample space.
\n" ); document.write( "Two marbles drawn from a total of 8 marbles
\n" ); document.write( "=> N(S) = C(8,2) = 8*7/2 = 28
\n" ); document.write( "There are 28 all possible ways in which any two marbles can be drawn from the pool.
\n" ); document.write( "N(E) = Number of ways so that both marbles are white.
\n" ); document.write( "There are 3 white balls.
\n" ); document.write( "N(E) = C(3,2) = 3*2/2 = 3
\n" ); document.write( "There are 3 possible ways in which any two white marbles can be drawn from 3 white marbles.
\n" ); document.write( "Probability of drawing two white marbles = N(E)/N(S) = 3/28;
\n" ); document.write( "
\n" );