document.write( "Question 1176663: The data represented by the graph is normally distributed and adheres to the 68-95-99.7 rule. The standard deviation of this data is
\n" ); document.write( "?, and ?% of the data is either less than 4.2 or more than 11.4.\r
\n" ); document.write( "\n" ); document.write( "options for first question mark:
\n" ); document.write( "a.11.4
\n" ); document.write( "b.7.8
\n" ); document.write( "c.3.6
\n" ); document.write( "d.1.8\r
\n" ); document.write( "\n" ); document.write( "options for second question mark:
\n" ); document.write( "a.95%
\n" ); document.write( "b.34%
\n" ); document.write( "c.5%
\n" ); document.write( "d.0.15% \n" ); document.write( "
Algebra.Com's Answer #803975 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "Hi\r\n" );
document.write( "\r\n" );
document.write( "the 68-95-99.7 rule:\r\n" );
document.write( "one  standard deviation from the mean accounts for about 68.2% of the set \r\n" );
document.write( "two standard deviations from the mean account for about 95.4%\r\n" );
document.write( "and three standard deviations from the mean account for about 99.7%.\r\n" );
document.write( "\r\n" );
document.write( "?, and ?% of the data is either less than 4.2 or more than 11.4.\r\n" );
document.write( "  (11.4-4.2)/4 = 1.8 SD\r\n" );
document.write( " Between 4.2 and 11.4 account for 95%  (Each are 2 SD from mean of 7.8)\r\n" );
document.write( "0r\r\n" );
document.write( " 5% of the data is either less than 4.2 or more than 11.4. \r\n" );
document.write( "\r\n" );
document.write( "The standard deviation of this data is 1.8, and 5% of the data \r\n" );
document.write( "is either less than 4.2 or more than 11.4.\r\n" );
document.write( "\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
document.write( "

\n" ); document.write( " \n" ); document.write( "
\n" );