document.write( "Question 746421: A box with 10 discs: 5 yellow, 3 black, 2 green. Two discs are taken randomly without replacement. What is the probability that the first disc was black given that the second disc was also black? \n" ); document.write( "
Algebra.Com's Answer #454268 by stanbon(75887)\"\" \"About 
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A box with 10 discs: 5 yellow, 3 black, 2 green. Two discs are taken randomly without replacement. What is the probability that the first disc was black given that the second disc was also black?
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\n" ); document.write( "# of ways to succeed: 3*2 = 6
\n" ); document.write( "# of possible outcomes: 10*9
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\n" ); document.write( "P(black | black} = 6/90 = 1/15
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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