document.write( "Question 937704: Suppose you have 33 girls and 28 boys in a classroom. You put each of their names on a piece of paper and put the papers in a hat.
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\n" ); document.write( "4. Without looking, how many names would you need to pull out of the hat to be sure you get two girls?\r
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\n" ); document.write( "5. Without looking, how many names would you need to pull out of the hat to be sure you get either two boys or two girls?\r
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Algebra.Com's Answer #571169 by Edwin McCravy(20061)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "4. Think of the worst possible situation.  It's unlikely but possible for you \r\n" );
document.write( "to pull out all 28 boys' names in a row, one by one.  Then there would be \r\n" );
document.write( "no more boys'; names in the hat. So the next 2 names you would pull out \r\n" );
document.write( "MUST be girls' names.  So if you pull out 30 names, you are certain that at\r\n" );
document.write( "least 2 of them MUST be girl's names. So in the worst possible case you would\r\n" );
document.write( "have 28 boy's names and 2 girl's names.   \r\n" );
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document.write( "Answer: 30\r\n" );
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document.write( "5. You only need to pull out 3 for there are only two sexes, so there must be\r\n" );
document.write( "two of one sex among the three.  They are either 3 of the same sex or two on\r\n" );
document.write( "one sex and 1 of the other.  So with only 3 names you can be sure of having\r\n" );
document.write( "2 boys' names or 2 girls' names.\r\n" );
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document.write( "Answer: 3\r\n" );
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document.write( "Edwin
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