document.write( "Question 1157032: A single 6-sided die is rolled 8 times. What is the probability that either 4 or 5 was rolled exactly twice. \n" ); document.write( "
Algebra.Com's Answer #779815 by ikleyn(52787)\"\" \"About 
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document.write( "It is the binomial type probability distribution.\r\n" );
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document.write( "The number of trial n= 8; the probability of the success trial is  \"1%2F6\" + \"1%2F6\" = \"1%2F3\",  and the number of success trial k = 2. \r\n" );
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document.write( "P = \"C%5B8%5D%5E2%2A%281%2F3%29%5E2%2A%282%2F3%29%5E6\" = \"%28%288%2A7%29%2F%281%2A2%29%29%2A%281%2F3%29%5E2%2A%282%2F3%29%5E6\" = 0.2731 (rounded).     ANSWER\r\n" );
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