document.write( "Question 1099079: The probability of a given score range is 0.4893.
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Algebra.Com's Answer #713496 by Theo(13342)\"\" \"About 
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i think you are looking for the z-score which has an area of .4893 between the mean and it.\r
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\n" ); document.write( "\n" ); document.write( "since the normal distribution is symmetric about the mean, this mean that the z-score will have .4893 + .5 = .9893 area of the distribution curve to the left of it.\r
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\n" ); document.write( "\n" ); document.write( "that would correspond to a z-score of 2.301\r
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\n" ); document.write( "\n" ); document.write( "the following pictures show you what i mean.\r
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\n" ); document.write( "\n" ); document.write( "the first picture shows that the z-score that has an area of .9893 to the left of it is 2.301.\r
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\n" ); document.write( "\n" ); document.write( "the second picture shows that if you enter the z-score of 2.301 and ask for the area to the left of it, that area will be .9893.\r
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\n" ); document.write( "\n" ); document.write( "the third picture shows that if you enter the z-score of 2.301 and ask for the area between the mean (z-score of 0) and the z-score of 2.301, that area will be .4893.\r
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\n" ); document.write( "\n" ); document.write( "note that the first picture is looking to find the z-score from a given area, so you select the \"value from an area\" option.\r
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\n" ); document.write( "\n" ); document.write( "note that the second and third picture is looking to find the area from the given z-score, so you select the \"area from a value\" option.\r
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\n" ); document.write( "\n" ); document.write( "this particular z-score calculator can be found at http://davidmlane.com/hyperstat/z_table.html
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