document.write( "Question 1170786: 11 out of 15 students is selected for a football team. What is the probability that Hanif is selected? \n" ); document.write( "
Algebra.Com's Answer #850869 by ikleyn(52847)\"\" \"About 
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\n" ); document.write( "11 out of 15 students is selected for a football team. What is the probability that Hanif is selected?
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document.write( "The total number of all possible teams is the number of combinations\r\n" );
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document.write( "    \"C%5B15%5D%5E11\" = \"%2815%2A14%2A13%2A12%29%2F%281%2A2%2A3%2A4%29\" = 1365.\r\n" );
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document.write( "The teams where Hanif participates, are those where 10 other students \r\n" );
document.write( "of remaining 15-1 = 14 students participate.\r\n" );
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document.write( "The number of such teams is  \"C%5B14%5D%5E10\" = \"%2814%2A13%2A12%2A11%29%2F%281%2A2%2A3%2A4%29\" = 1001.\r\n" );
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document.write( "The probability that Hanif will be selected is  P = \"1001%2F1365\" = 0.7333  (rounded).    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "Another reasoning is possible, also.\r
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\n" ); document.write( "\n" ); document.write( "The probability that Hanif will be among  11  lucky guys from the total  15  guys is  \"11%2F15\".\r
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\n" ); document.write( "\n" ); document.write( "Notice that this ratio's value is precisely the same as  \"1001%2F1365\"  above.\r
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