IQscoresontheWAIStestapproximateanormalcurvewithameanof100andastandarddeviationof15.WhatIQscoreisidentifiedwith

theupper2percent,thatis,2percenttotheright(and98percenttotheleft)?

I am looking at the answer given from other individuals who have shown their homework, but I don't know how there are getting the value of z=2.0537. how did they come up with z for this statistical problem? when I plug in the Z formula, z=(x-u) /s.d, Im getting -6.533 not 2.0537