document.write( "Question 1176361: About what% of the area under the curve of the standard normal distribution is outside the interval z=[−2.31,2.31](or beyond 2.31 standard deviations of the mean). \n" ); document.write( "
Algebra.Com's Answer #803164 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Hi\r\n" );
document.write( "Previously submitted.\r\n" );
document.write( "Normal distribution:\r\n" );
document.write( "Using TI or similarly an inexpensive Casio fx-115 ES plus:\r\n" );
document.write( "area under the standard normal distribution curve(continuous) is the same as\r\n" );
document.write( "the Probability of the given z-score:\r\n" );
document.write( " P( |z| ≤ -2.31) is 2P(z ≤ -2.31) = 2(.0104)  = .0208\r\n" );
document.write( "or \r\n" );
document.write( " P( |z| ≤ -2.31) = 1 - P( -2.31 ≤  z ≤  2.31) = 1 - normalcdf(-2.31,2.31)\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
document.write( "Shown below is the positioning of |z| = 2.31 on the Standard Normal Curve\r\n" );
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