document.write( "Question 538363: A bag contains 30 marbles with 18 blue ones and 12 red ones. If you reach into the bag and draw out marbles one at a time until you have three in your hand, what is the probability that they are all blue?
\n" ); document.write( " A. 68/375
\n" ); document.write( " B. 11/203
\n" ); document.write( " C. 204/1015
\n" ); document.write( " D. 27/125
\n" ); document.write( "

Algebra.Com's Answer #353159 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
A bag contains 30 marbles with 18 blue ones and 12 red ones. If you reach into the bag and draw out marbles one at a time until you have three in your hand, what is the probability that they are all blue?
\n" ); document.write( "---
\n" ); document.write( "# of ways to succeed: 18C3
\n" ); document.write( "# of random results: 30C3
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\n" ); document.write( "P(3 blue) = 18C3/30C3 = 204/1015
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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\n" ); document.write( "A. 68/375
\n" ); document.write( "B. 11/203
\n" ); document.write( "C. 204/1015
\n" ); document.write( "D. 27/125
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