document.write( "Question 1201170: A student has a collection of 9 cds, 5 of the CDs are classical, 2 are JAZZ and 2 are ROCKS. If he selects 6 CDs from his collection. Find the number of ways he can make his selection if it must contain atleast 4 CLASSICAL. \n" ); document.write( "

Algebra.Com's Answer #835466 by ikleyn(52786) $\"\"$ $\"About$

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\n" ); document.write( "A student has a collection of 9 cds, 5 of the CDs are classical, 2 are JAZZ and 2 are ROCKS.
\n" ); document.write( "If he selects 6 CDs from his collection, find the number of ways he can make his selection
\n" ); document.write( "if it must contain at least 4 CLASSICAL.
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document.write( "According to the problem, the student can select 4 classical CDs from 5 classical CDs\r\n" );
document.write( "and to complete this selection by 2 (two) non-classical CDs from 2+2 = 4 non-classical CDs.\r\n" );
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document.write( "OR, alternatively,  the student can select 5 classical CDs from 5 classical CDs \r\n" );
document.write( "and to complete it by 1 (one) non-classical CDs from 4 non-classical CDs.\r\n" );
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document.write( "In all, there are   +  = 5*6 + 1*4 = 30 + 4 = 34  such possible selections.    ANSWER\r\n" );
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