document.write( "Question 885509: The letters of the alphabet are written on 26 cards. Two cards are chosen at random. What is the probability that at least one of them is a consonant? \n" ); document.write( "

Algebra.Com's Answer #535208 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "There are 5 vowels and 21 consonants. (We are considering Y as a consonant).\r\n" );
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document.write( "There are C(26,2) = 325 possible pairs of letters.\r\n" );
document.write( "There are C(5,2) = 10 unsuccessful pairs of letters (two vowels)\r\n" );
document.write( "Therefore there are 325-10 = 315 successful pairs of letters.\r\n" );
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document.write( "Probability: 315 successful pairs out of 325 possible pairs or ,\r\n" );
document.write( "which reduces to .\r\n" );
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document.write( "Edwin

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