document.write( "Question 449922: Find the z-scores for which 98% of the distribution's area lies between -z and z. How is the answer (-2.33, 2.33)? \n" ); document.write( "

Algebra.Com's Answer #309546 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Find the z-scores for which 98% of the distribution's area lies between -z and z.  
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document.write( "That is: .01 < P < .99  NORMSINV(0.01) = -2.33  AND NORMSINV(0.99) = 2.33
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document.write( " See below: distribution area is between the short vertical green lines.
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document.write( "short vertical lines plotted at z = -2.33 and z = 2.33
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