document.write( "Question 1037090: I am lost on probability and don't understand it.\r
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document.write( "\" A coin is tossed and an eight-sided die numbered 1 through 8 is rolled. Find the probability of tossing a head and then rolling a number greater than 4. \" \n" );
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Algebra.Com's Answer #651791 by Edwin McCravy(20055)![]() ![]() You can put this solution on YOUR website! \"A coin is tossed and an eight-sided die numbered 1 through 8 \n" ); document.write( "is rolled. Find the probability of tossing a head and then \n" ); document.write( "rolling a number greater than 4.\" \n" ); document.write( " \r\n" ); document.write( "On the average about half of the times you toss the coin you will \r\n" ); document.write( "toss a head.\r\n" ); document.write( "\r\n" ); document.write( "The sides of the die are 1,2,3,4,5,6,7,8.\r\n" ); document.write( "Four of those are greater than 4.\r\n" ); document.write( "\r\n" ); document.write( "On the average four times out of 8 you will roll a 5,6,7, or 8. \r\n" ); document.write( "Four times out of 8 is 4/8 or 1/2. So half the time you will\r\n" ); document.write( "roll a number greater than 4.\r\n" ); document.write( "\r\n" ); document.write( "So 1/2 of the times you will get a head on the coin.\r\n" ); document.write( "And 1/2 of THOSE times you will also roll a number greater than \r\n" ); document.write( "4 on the die.\r\n" ); document.write( "\r\n" ); document.write( "That's one-half of one-half of the times. That's\r\n" ); document.write( "\r\n" ); document.write( "\n" ); document.write( " |