document.write( "Question 354181: A jar contains 9 blue marbles and 13 green marbles. Two marbles are picked in sequence from the jar. Find the probibility that the second marble is green given that the first marble is blue(assume that the first marble is not replaced).\r
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document.write( "Please help! This is one of the 2 questions out of 25 that i must explain how to do, and I have no idea.
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document.write( "Thank-you so much \n" );
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Algebra.Com's Answer #253145 by ewatrrr(24785) You can put this solution on YOUR website! Hi, \n" ); document.write( "*Note: There are \"22 total marbles\" in the jar \n" ); document.write( "9 blue and 13 green \n" ); document.write( ". \n" ); document.write( "P( of first being blue) = 9/22 \n" ); document.write( ". \n" ); document.write( "Note: NO replacement. There are now \"21 total marbles in the jar \n" ); document.write( "P(of a green being chosen) = 13/21 \n" ); document.write( ". \n" ); document.write( "The probability of first blue AND second green is; \n" ); document.write( " |