document.write( "Question 1030408: Two marbles are drawn in succession from a box containing 3 blue marbles and 7 red ones. What is the probability of obtaining and of each color? \n" ); document.write( "

Algebra.Com's Answer #645256 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
You could choose a red then blue or blue then red so calculate each probability.
\n" ); document.write( " $\"P%28R%2CB%29=%287%2F10%29%283%2F9%29=7%2F30\"$
\n" ); document.write( " $\"P%28B%2CR%29=%283%2F10%29%287%2F9%29=7%2F30\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"P=P%28R%2CB%29%2BP%28B%2CR%29\"$
\n" ); document.write( " $\"P=2%287%2F30%29\"$
\n" ); document.write( " $\"P=7%2F15\"$
\n" ); document.write( " \n" ); document.write( "

\n" );