Question 614423
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Hi
using Excel function NORMSDIST:
P(z>.12) = 1 - P(z &#8804;.12) = 1 - NORMSDIST(.12) =1 - .5478 =  .4522
{{{drawing(400,200,-5,5,-.5,1.5, graph(400,200,-5,5,-.5,1.5, 0,exp(-x^2/2)), blue(line( .12,0, .12,exp(-.12^2/2))),locate(4.8,-.01,z),locate(4.8,.2,z))}}}