\r\n" );
document.write( "There are 7 red marbles + 4 blue marbles = 11 marbles.\r\n" );
document.write( "\r\n" );
document.write( "The probability of choosing a red marble is\r\n" );
document.write( "\r\n" );
document.write( "7 out of 11\r\n" );
document.write( "\r\n" );
document.write( "\"Out of\" means \"over\", so that's\r\n" );
document.write( "\r\n" );
document.write( "7 over 11 which is 
\r\n" );
document.write( "\r\n" );
document.write( "That would be the answer but the instructions say\r\n" );
document.write( "
\n" );
document.write( "giving your answer to 2 decimal places
\n" );
document.write( "\r\n" );
document.write( "So we change to a decimal:\r\n" );
document.write( "\r\n" );
document.write( "We divide the bottom number 11 into 7, but instead of\r\n" );
document.write( "7 we write it as 7.000, one more decimal place than 2\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( " .636\r\n" );
document.write( "11)7.000\r\n" );
document.write( " 6 6\r\n" );
document.write( " 40\r\n" );
document.write( " 33\r\n" );
document.write( " 70\r\n" );
document.write( " 66\r\n" );
document.write( " 4\r\n" );
document.write( " \r\n" );
document.write( "Since the third decimal digit is 6, \r\n" );
document.write( "and 6 is \"5 or more\", we round the\r\n" );
document.write( "second decimal place 3 up to 4, and\r\n" );
document.write( "eliminate the third decimal digit 6:\r\n" );
document.write( "\r\n" );
document.write( "Answer = .64\r\n" );
document.write( "\r\n" );
document.write( "We like to put a 0 in front, so it\r\n" );
document.write( "would be better to write the answer\r\n" );
document.write( "as 0.64\r\n" );
document.write( "\r\n" );
document.write( "The big 0 is to \"protect\" the tiny decimal point. :)\r\n" );
document.write( "\r\n" );
document.write( "Answer = 0.64\r\n" );
document.write( "\r\n" );
document.write( "Edwin
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document.write( "
\n" );
document.write( " \n" );
document.write( "![\"\"](\"/images/stars/stars-13.gif\")
