document.write( "Question 702319: How many simple events does the sample space contain when n coins
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Algebra.Com's Answer #432916 by Edwin McCravy(20065) You can put this solution on YOUR website! How many elements (simple events) does the sample space contain when n coins \n" ); document.write( "are thrown m times? \n" ); document.write( " \r\n" );
document.write( "Here is the sample space when 2 coins are thrown 3 times:\r\n" );
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document.write( "{(HH,HH,HH), (HH,HH,HT), (HH,HH,TH), (HH,HH,TT),\r\n" );
document.write( " (HH,HT,HH), (HH,HT,HT), (HH,HT,TH), (HH,HT,TT),\r\n" );
document.write( " (HH,TH,HH), (HH,TH,HT), (HH,TH,TH), (HH,TH,TT),\r\n" );
document.write( " (HH,TT,HH), (HH,TT,HT), (HH,TT,TH), (HH,TT,TT),\r\n" );
document.write( " (HT,HH,HH), (HT,HH,HT), (HT,HH,TH), (HT,HH,TT),\r\n" );
document.write( " (HT,HT,HH), (HT,HT,HT), (HT,HT,TH), (HT,HT,TT),\r\n" );
document.write( " (HT,TH,HH), (HT,TH,HT), (HT,TH,TH), (HT,TH,TT),\r\n" );
document.write( " (HT,TT,HH), (HT,TT,HT), (HT,TT,TH), (HT,TT,TT),\r\n" );
document.write( " (TH,HH,HH), (TH,HH,HT), (TH,HH,TH), (TH,HH,TT),\r\n" );
document.write( " (TH,HT,HH), (TH,HT,HT), (TH,HT,TH), (TH,HT,TT),\r\n" );
document.write( " (TH,TH,HH), (TH,TH,HT), (TH,TH,TH), (TH,TH,TT),\r\n" );
document.write( " (TH,TT,HH), (TH,TT,HT), (TH,TT,TH), (TH,TT,TT),\r\n" );
document.write( " (TT,HH,HH), (TT,HH,HT), (TT,HH,TH), (TT,HH,TT),\r\n" );
document.write( " (TT,HT,HH), (TT,HT,HT), (TT,HT,TH), (TT,HT,TT),\r\n" );
document.write( " (TT,TH,HH), (TT,TH,HT), (TT,TH,TH), (TT,TH,TT),\r\n" );
document.write( " (TT,TT,HH), (TT,TT,HT), (TT,TT,TH), (TT,TT,TT))\r\n" );
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document.write( "Each simple event consists of a group of 3 tosses each, and\r\n" );
document.write( "each contains 2 coin tosses, so there are \r\n" );
document.write( "2×3 or 6 places to put H or T. So there are 22×3\r\n" );
document.write( "elements in the sample space. 22×3 = 26 = 64.\r\n" );
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document.write( "Here is the sample space when 3 coins are thrown 2 times:\r\n" );
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document.write( "{(HHH,HHH), (HHH,HHT), (HHH,HTH), (HHH,HTT),\r\n" );
document.write( " (HHH,THH), (HHH,THT), (HHH,TTH), (HHH,TTT),\r\n" );
document.write( " (HHT,HHH), (HHT,HHT), (HHT,HTH), (HHT,HTT),\r\n" );
document.write( " (HHT,THH), (HHT,THT), (HHT,TTH), (HHT,TTT),\r\n" );
document.write( " (HTH,HHH), (HTH,HHT), (HTH,HTH), (HTH,HTT),\r\n" );
document.write( " (HTH,THH), (HTH,THT), (HTH,TTH), (HTH,TTT),\r\n" );
document.write( " (HTT,HHH), (HTT,HHT), (HTT,HTH), (HTT,HTT),\r\n" );
document.write( " (HTT,THH), (HTT,THT), (HTT,TTH), (HTT,TTT),\r\n" );
document.write( " (THH,HHH), (THH,HHT), (THH,HTH), (THH,HTT),\r\n" );
document.write( " (THH,THH), (THH,THT), (THH,TTH), (THH,TTT),\r\n" );
document.write( " (THT,HHH), (THT,HHT), (THT,HTH), (THT,HTT),\r\n" );
document.write( " (THT,THH), (THT,THT), (THT,TTH), (THT,TTT),\r\n" );
document.write( " (TTH,HHH), (TTH,HHT), (TTH,HTH), (TTH,HTT),\r\n" );
document.write( " (TTH,THH), (TTH,THT), (TTH,TTH), (TTH,TTT),\r\n" );
document.write( " (TTT,HHH), (TTT,HHT), (TTT,HTH), (TTT,HTT),\r\n" );
document.write( " (TTT,THH), (TTT,THT), (TTT,TTH), (TTT,TTT)}\r\n" );
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document.write( "Each simple event consists of a group of 2 tosses each, and\r\n" );
document.write( "each contains 3 coin tosses, so there are \r\n" );
document.write( "3×2 or 6 places to put H or T. So there are 23×2\r\n" );
document.write( "elements in the sample space. 22×3 = 26 = 64.\r\n" );
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document.write( "Now if we were to list the sample space when n coins are thrown m times,\r\n" );
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document.write( "Each simple event consists of a group of m tosses each, and\r\n" );
document.write( "each contains n choices of coin tosses, so there are \r\n" );
document.write( "n×m places to put H or T. So there are 2n×m\r\n" );
document.write( "elements in the sample space.\r\n" );
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document.write( "Edwin \n" );
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