document.write( "Question 5079: A music fan randomly selects 4 CD's from a stack of 35, where 6 are by the same pop artist. What is the probablity that all of the CD's chosen are by that artist? \n" ); document.write( "
Algebra.Com's Answer #2581 by rapaljer(4671)\"\" \"About 
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This is a classic combination problem, where in this probability, the denominator is the total number of ways that 4 CD's can be chosen from 35. One of several ways to write this is C(35,4).\r
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\n" ); document.write( "\n" ); document.write( "The numerator is the number of ways that the fan can choose 4 out of the 6 by the artist, and none out of the other 29 CD's. Numerator = C(6,4)* C(29,0). These can easily be calculated with a cheap scientific calculator, or you can spend some time doing it by arithmetic:
\n" ); document.write( "C(35,4) = 52360
\n" ); document.write( "C(6,4) = 15
\n" ); document.write( "C(29,0) = 1\r
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\n" ); document.write( "\n" ); document.write( "\"++%28C%286%2C4%29%2A+C%2829%2C0%29%29%2F%28C%2835%2C4%29%29\" = \"%2815%2A1%29+%2F+52360\" = \"3%2F+10472\"\r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC\r
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