document.write( "Question 1132046: A pair of dice is tossed and the sum of the two dice is calculated. Find the probability the sum is 3.\r
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Algebra.Com's Answer #748888 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "The total space of events is the space of all pairs (a,b), where \"a\" and \"b\" are integer numbers from 1 to 6 inclusively.\r\n" );
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document.write( "So, the total space of events has 6*6 = 36 elements, that are such pairs (outcomes).\r\n" );
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document.write( "The favorable set is the set of pairs (a,b) with a + b = 3.\r\n" );
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document.write( "It consists of pairs (1,2) and (2,1), counting exactly 2 (two) elements.\r\n" );
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document.write( "Therefore, the probability under the question is the ratio   = .      ANSWER\r\n" );
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