Question 843269
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Hi,
Using TI Calculator:
The syntax is normalcdf(smaller z, larger z) =  normalcdf(0, 1) = .3413 0r 34.13%
{{{drawing(400,200,-5,5,-.5,1.5, graph(400,200,-5,5,-.5,1.5, 0,exp(-x^2/2)), blue(line( 1,0, 1,exp(-1^2/2))),locate(4.8,-.01,z),locate(4.8,.2,z))}}}