document.write( "Question 1144001: A mathematics problem is given to three students A, B, C whose chances of solving it are 1/4, 2/3, 1/2 respectively. If all of them try independently, the probability that the problem is solved by any one of the students is: - \n" ); document.write( "
Algebra.Com's Answer #764960 by ikleyn(52781)\"\" \"About 
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document.write( "HINT.  The probability that the problem will be solved by anyone of the three students is the COMPLEMENT\r\n" );
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document.write( "       to the probability that the problem will not be solved by anyone of them.\r\n" );
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document.write( "SOLUTION\r\n" );
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document.write( "The probability that student A will not solve the problem is  1 - \"1%2F4\" = \"3%2F4\".\r\n" );
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document.write( "The probability that student B will not solve the problem is  1 - \"2%2F3\" = \"1%2F3\".\r\n" );
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document.write( "The probability that student C will not solve the problem is  1 - \"1%2F2\" = \"1%2F2\".\r\n" );
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document.write( "The probability that the problem will not be solved by students A, B, and C  is\r\n" );
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document.write( "    P = \"%283%2F4%29%2A%281%2F3%29%2A%281%2F2%29\" = \"1%2F8\".\r\n" );
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document.write( "Hence, the answer to the problem question is the COMPLEMENT to  \"1%2F8\",  i.e.   1 - \"1%2F8\" = \"7%2F8\".    ANSWER\r\n" );
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