document.write( "Question 1138799: A box contains 9 letters, shown as SEARCHING.
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Algebra.Com's Answer #756588 by ikleyn(52797)\"\" \"About 
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document.write( "(a)  Drawing with replacement, the probability to get \"H\" as the first letter is \"1%2F9\".\r\n" );
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document.write( "                               The probability to get \"A\" as the second letter is \"1%2F9\", too.\r\n" );
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document.write( "     Hence, the probability under the question is \"%281%2F9%29%2A%281%2F9%29\" = \"1%2F81\".   ANSWER\r\n" );
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document.write( "(b)  Drawing without replacement, the probability to get \"H\" as the first letter is \"1%2F9\".\r\n" );
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document.write( "                               The probability to get \"A\" as the second letter is \"1%2F8\", however.\r\n" );
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document.write( "     Hence, the probability under the question is \"%281%2F9%29%2A%281%2F8%29\" = \"1%2F72\".   ANSWER\r\n" );
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