document.write( "Question 1200342: A box contains 10 chits of which 3 chits are eligible for a prize. A boy named Kathan randomly selects two chits from this box. Find the probability that Kathan gets the prize. \n" ); document.write( "

Algebra.Com's Answer #834453 by ikleyn(52847) $\"\"$ $\"About$

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\n" ); document.write( "A box contains 10 chits of which 3 chits are eligible for a prize.
\n" ); document.write( "A boy named Kathan randomly selects two chits from this box.
\n" ); document.write( "Find the probability that Kathan gets the prize.
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document.write( "The box containins two categories of chits: \r\n" );
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document.write( "        (a) 3 Good for a prize,  \r\n" );
document.write( "    and \r\n" );
document.write( "        (b) 7 Bad for a prize.\r\n" );
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document.write( "The total number of pairs to take at a time from 10 shits is\r\n" );
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document.write( "     =  = 45.\r\n" );
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document.write( "The total number of pairs BAD for the prize is\r\n" );
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document.write( "     =  = 21.\r\n" );
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document.write( "The rest of the pairs, 45 - 21 = 24, will win a prize.\r\n" );
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document.write( "Therefore, the probability to win a prize is  P =  = .    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved, with full explanation. \r
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\n" ); document.write( "\n" ); document.write( "Learn the logic of this solution. It is used in million other similar problems.\r
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