document.write( "Question 112267: You have three $1 bills, four $5, and two $10 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill at random.Find p($10 then $1) \n" ); document.write( "

Algebra.Com's Answer #81929 by Edwin McCravy(20059) $\"\"$ $\"About$

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document.write( "You have three $1 bills, four $5, and two $10 bills in your wallet. You \r\n" );
document.write( "select a bill at random. Without replacing the bill, you choose a second bill \r\n" );
document.write( "at random.  Find p($10 then $1)\r\n" );
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document.write( "There are 9 bills, 2 of which are tens, so the probability of choosing\r\n" );
document.write( "a ten first is \r\n" );
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document.write( "So ths of the times you try you will select a ten first.\r\n" );
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document.write( "If you select a ten first and don't replace it, there are 8 bills left to\r\n" );
document.write( "select second, 3 of which are ones. So  of those times when you \r\n" );
document.write( "selected a ten first, you will select a one second.\r\n" );
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document.write( "So you will select a one-dollar bill second ths of the ths\r\n" );
document.write( "of the times when you select a ten first. So the desired probability is\r\n" );
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document.write( "× = \r\n" );
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document.write( "Edwin

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