document.write( "Question 1138817: If there are 2 yellow, 3 purple, 1 pink, 2 orange, and 2 black marbles in a bag, find the
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Algebra.Com's Answer #756590 by ikleyn(52814) $\"\"$ $\"About$

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document.write( "Such problem, posed as a probability problem, must not only describe the content of a bag.\r\n" );
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document.write( "It must precisely describe the conditions of an experiment:\r\n" );
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document.write( "    - how much marbles are taking out at once,\r\n" );
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document.write( "    - with replacement or without it,\r\n" );
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document.write( "    - and so on.\r\n" );
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document.write( "How this problem is presented, clearly shows that\r\n" );
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document.write( "    - the problem is not from a textbook;\r\n" );
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document.write( "    - somebody is trying to create his (or her) own problem, but has no qualification to do it correctly.\r\n" );
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