document.write( "Question 713930: If two fair number cubes are rolled, what is P(1 and 2)?
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\n" ); document.write( "If two fair number cubes are rolled, what is P(even and odd)?\r
\n" ); document.write( "\n" ); document.write( "I do not understand what the difference in these two questions is, what am I missing in my understanding of this concept of probability? I understand using a spinner, or a coin, but I cannot figure out questions related to a six-sided number cube. It seems that the answer to both would be 1/2. \n" ); document.write( "

Algebra.Com's Answer #438632 by Edwin P McCravy(4) $\"\"$ $\"About$

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document.write( "If two fair number cubes are rolled, what is P(1 and 2)?\r\n" );
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document.write( "That means the probability of getting one of these 2 rolls:\r\n" );
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document.write( "(1,2)  (2,1)\r\n" );
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document.write( "out of these 36 rolls:\r\n" );
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document.write( "(1,1)  (1,2)  (1,3)  (1,4)  (1,5)  (1,6)\r\n" );
document.write( "(2,1)  (2,2)  (2,3)  (2,4)  (2,5)  (2,6)\r\n" );
document.write( "(3,1)  (3,2)  (3,3)  (3,4)  (3,5)  (3,6)\r\n" );
document.write( "(4,1)  (4,2)  (4,3)  (4,4)  (4,5)  (4,6)\r\n" );
document.write( "(5,1)  (5,2)  (5,3)  (5,4)  (5,5)  (5,6)\r\n" );
document.write( "(6,1)  (6,2)  (6,3)  (6,4)  (6,5)  (6,6)\r\n" );
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document.write( "That's a probability of 2 out of 36 or \r\n" );
document.write( "which reduces to \r\n" );
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document.write( "If two fair number cubes are rolled, what is P(1 and 2)?\r\n" );
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document.write( "That means the probability of getting one of these 18 rolls:\r\n" );
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document.write( "(1,2)  (1,4)  (1,6)\r\n" );
document.write( "(2,1)  (2,3)  (2,5)  (3,2)  (3,4)  (3,6)\r\n" );
document.write( "(4,1)  (4,3)  (4,5)  (5,2)  (5,4)  (5,6)\r\n" );
document.write( "(6,1)  (6,3)  (6,5)\r\n" );
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document.write( "out of these 36 rolls:\r\n" );
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document.write( "(1,1)  (1,2)  (1,3)  (1,4)  (1,5)  (1,6)\r\n" );
document.write( "(2,1)  (2,2)  (2,3)  (2,4)  (2,5)  (2,6)\r\n" );
document.write( "(3,1)  (3,2)  (3,3)  (3,4)  (3,5)  (3,6)\r\n" );
document.write( "(4,1)  (4,2)  (4,3)  (4,4)  (4,5)  (4,6)\r\n" );
document.write( "(5,1)  (5,2)  (5,3)  (5,4)  (5,5)  (5,6)\r\n" );
document.write( "(6,1)  (6,2)  (6,3)  (6,4)  (6,5)  (6,6)\r\n" );
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document.write( "That's a probability of 18 out of 36 or \r\n" );
document.write( "which reduces to \r\n" );
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