Mike D. answered • 12/15/20
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On the TI-84
2nd vars
normalcdf
lower = -1.25
upper = 1e99
mean = 0
sd = 1
hit paste
answer 0.8944
Mike D.
You need the area to the right of z = -1.25 so you set the upper to be positive infinity which on the calculator you enter as 1e99
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04/12/21
Maria S.
where are you getting the number 1e99 from as the upper?04/12/21