document.write( "Question 1159223: a fair dice with faces 1,2,3,4,5,6 is rolled twice.find the probability of obtaining a total score of (a)8 or 11 (b)at least 3 \n" ); document.write( "

Algebra.Com's Answer #782194 by ikleyn(52835) $\"\"$ $\"About$

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document.write( "When a fair dice is rolled twice, there are 6*6 = 36 different possible outcomes (pairs of positive integer \r\n" );
document.write( "numbers (a,b), where \"a\" and \"b\" are from 1 to 6, inclusive).\r\n" );
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document.write( "These outcomes have the same probability    each.\r\n" );
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document.write( "The sum of 8 have these 5 outcomes\r\n" );
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document.write( "    (2,6), (3,5), (4,4), (5,3), (6,2).\r\n" );
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document.write( "The sum of 11 have these 2 outcomes\r\n" );
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document.write( "    (5,6), (6,5).\r\n" );
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document.write( "Therefore,  P(8 or 11) = P(8) + P(11) =  +  = .\r\n" );
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document.write( "It is the answer to part (a).\r\n" );
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\n" ); document.write( "\n" ); document.write( "Regarding part (b), let me tell you that I don't like VERY MUCH to have more that one question in the post.\r
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\n" ); document.write( "\n" ); document.write( "It is because I DON'T WANT my response becomes a mess.\r
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\n" ); document.write( "\n" ); document.write( "Make your conclusion/conclusions . . . \r
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\n" ); document.write( "\n" ); document.write( "Also, I firmly believe, that, when the visitor put many question in his (or her) post, it only means
\n" ); document.write( "that the visitor does not want to learn the subject, at all; it only means that the visitor wants
\n" ); document.write( "the tutors work INSTEAD of HIM (or HER).\r
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\n" ); document.write( "\n" ); document.write( "Therefore, I always say that those who put more than one problem/question into the post, work AGAINST their own interests.\r
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